Home / 3,948,897.60-5,923,346.40-3,507,998.40

Finding the Fourth Proportional to 3,948,897.60, 5,923,346.40 and 3,507,998.40

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Solution

The fourth proportional to 3,948,897.60, 5,923,346.40 and 3,507,998.40 is: 5,261,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,897.60 : 5,923,346.40 = 3,507,998.40 : x
  2. Step 2: Convert to fraction form
    3,948,897.60/5,923,346.40 = 3,507,998.40/x
  3. Step 3: Cross multiply
    3,948,897.60x = 5,923,346.40 × 3,507,998.40
  4. Step 4: Simplify right side
    3,948,897.60x = 20,779,089,693,845.76
  5. Step 5: Solve for x
    x = 20,779,089,693,845.76/3,948,897.60
  6. Step 6: Final answer
    x = 5,261,997.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.