Home / 3,913,115.40-5,869,673.10-2,779,374.60

Finding the Fourth Proportional to 3,913,115.40, 5,869,673.10 and 2,779,374.60

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Solution

The fourth proportional to 3,913,115.40, 5,869,673.10 and 2,779,374.60 is: 4,169,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,115.40 : 5,869,673.10 = 2,779,374.60 : x
  2. Step 2: Convert to fraction form
    3,913,115.40/5,869,673.10 = 2,779,374.60/x
  3. Step 3: Cross multiply
    3,913,115.40x = 5,869,673.10 × 2,779,374.60
  4. Step 4: Simplify right side
    3,913,115.40x = 16,314,020,324,443.26
  5. Step 5: Solve for x
    x = 16,314,020,324,443.26/3,913,115.40
  6. Step 6: Final answer
    x = 4,169,061.90

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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.