Home / 2,304,649.79-3,180,417.28-1,272,158.16

Finding the Fourth Proportional to 2,304,649.79, 3,180,417.28 and 1,272,158.16

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Solution

The fourth proportional to 2,304,649.79, 3,180,417.28 and 1,272,158.16 is: 1,755,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304,649.79 : 3,180,417.28 = 1,272,158.16 : x
  2. Step 2: Convert to fraction form
    2,304,649.79/3,180,417.28 = 1,272,158.16/x
  3. Step 3: Cross multiply
    2,304,649.79x = 3,180,417.28 × 1,272,158.16
  4. Step 4: Simplify right side
    2,304,649.79x = 4,045,993,788,596.21
  5. Step 5: Solve for x
    x = 4,045,993,788,596.21/2,304,649.79
  6. Step 6: Final answer
    x = 1,755,578.57

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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.