Home / 3,913,110.40-5,869,665.60-2,779,369.60

Finding the Fourth Proportional to 3,913,110.40, 5,869,665.60 and 2,779,369.60

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Solution

The fourth proportional to 3,913,110.40, 5,869,665.60 and 2,779,369.60 is: 4,169,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,110.40 : 5,869,665.60 = 2,779,369.60 : x
  2. Step 2: Convert to fraction form
    3,913,110.40/5,869,665.60 = 2,779,369.60/x
  3. Step 3: Cross multiply
    3,913,110.40x = 5,869,665.60 × 2,779,369.60
  4. Step 4: Simplify right side
    3,913,110.40x = 16,313,970,130,805.76
  5. Step 5: Solve for x
    x = 16,313,970,130,805.76/3,913,110.40
  6. Step 6: Final answer
    x = 4,169,054.40

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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.