Home / 1,587,381.84-2,189,747.16-1,005,578.46

Finding the Fourth Proportional to 1,587,381.84, 2,189,747.16 and 1,005,578.46

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Solution

The fourth proportional to 1,587,381.84, 2,189,747.16 and 1,005,578.46 is: 1,387,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,381.84 : 2,189,747.16 = 1,005,578.46 : x
  2. Step 2: Convert to fraction form
    1,587,381.84/2,189,747.16 = 1,005,578.46/x
  3. Step 3: Cross multiply
    1,587,381.84x = 2,189,747.16 × 1,005,578.46
  4. Step 4: Simplify right side
    1,587,381.84x = 2,201,962,576,942.17
  5. Step 5: Solve for x
    x = 2,201,962,576,942.17/1,587,381.84
  6. Step 6: Final answer
    x = 1,387,166.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.