Home / 2,059,459.20-3,089,188.80-1,943,985.60

Finding the Fourth Proportional to 2,059,459.20, 3,089,188.80 and 1,943,985.60

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Solution

The fourth proportional to 2,059,459.20, 3,089,188.80 and 1,943,985.60 is: 2,915,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,459.20 : 3,089,188.80 = 1,943,985.60 : x
  2. Step 2: Convert to fraction form
    2,059,459.20/3,089,188.80 = 1,943,985.60/x
  3. Step 3: Cross multiply
    2,059,459.20x = 3,089,188.80 × 1,943,985.60
  4. Step 4: Simplify right side
    2,059,459.20x = 6,005,338,542,881.28
  5. Step 5: Solve for x
    x = 6,005,338,542,881.28/2,059,459.20
  6. Step 6: Final answer
    x = 2,915,978.40

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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.