Home / 2,999,643.38-4,500,126.03-869,816.42

Finding the Fourth Proportional to 2,999,643.38, 4,500,126.03 and 869,816.42

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Solution

The fourth proportional to 2,999,643.38, 4,500,126.03 and 869,816.42 is: 1,304,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,643.38 : 4,500,126.03 = 869,816.42 : x
  2. Step 2: Convert to fraction form
    2,999,643.38/4,500,126.03 = 869,816.42/x
  3. Step 3: Cross multiply
    2,999,643.38x = 4,500,126.03 × 869,816.42
  4. Step 4: Simplify right side
    2,999,643.38x = 3,914,283,512,963.41
  5. Step 5: Solve for x
    x = 3,914,283,512,963.41/2,999,643.38
  6. Step 6: Final answer
    x = 1,304,916.29

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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.