Home / 5,145,368.10-7,712,522.55-1,949,259.30

Finding the Fourth Proportional to 5,145,368.10, 7,712,522.55 and 1,949,259.30

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Solution

The fourth proportional to 5,145,368.10, 7,712,522.55 and 1,949,259.30 is: 2,921,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,368.10 : 7,712,522.55 = 1,949,259.30 : x
  2. Step 2: Convert to fraction form
    5,145,368.10/7,712,522.55 = 1,949,259.30/x
  3. Step 3: Cross multiply
    5,145,368.10x = 7,712,522.55 × 1,949,259.30
  4. Step 4: Simplify right side
    5,145,368.10x = 15,033,706,307,047.21
  5. Step 5: Solve for x
    x = 15,033,706,307,047.21/5,145,368.10
  6. Step 6: Final answer
    x = 2,921,794.13

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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.