Home / 1,943,395.13-2,681,894.57-1,072,229.78

Finding the Fourth Proportional to 1,943,395.13, 2,681,894.57 and 1,072,229.78

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Solution

The fourth proportional to 1,943,395.13, 2,681,894.57 and 1,072,229.78 is: 1,479,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,395.13 : 2,681,894.57 = 1,072,229.78 : x
  2. Step 2: Convert to fraction form
    1,943,395.13/2,681,894.57 = 1,072,229.78/x
  3. Step 3: Cross multiply
    1,943,395.13x = 2,681,894.57 × 1,072,229.78
  4. Step 4: Simplify right side
    1,943,395.13x = 2,875,607,226,117.88
  5. Step 5: Solve for x
    x = 2,875,607,226,117.88/1,943,395.13
  6. Step 6: Final answer
    x = 1,479,682.22

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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.