Home / 2,406,411.40-3,609,617.10-987,485.80

Finding the Fourth Proportional to 2,406,411.40, 3,609,617.10 and 987,485.80

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Solution

The fourth proportional to 2,406,411.40, 3,609,617.10 and 987,485.80 is: 1,481,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,411.40 : 3,609,617.10 = 987,485.80 : x
  2. Step 2: Convert to fraction form
    2,406,411.40/3,609,617.10 = 987,485.80/x
  3. Step 3: Cross multiply
    2,406,411.40x = 3,609,617.10 × 987,485.80
  4. Step 4: Simplify right side
    2,406,411.40x = 3,564,445,629,687.18
  5. Step 5: Solve for x
    x = 3,564,445,629,687.18/2,406,411.40
  6. Step 6: Final answer
    x = 1,481,228.70

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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.