Home / 1,988,045.40-2,982,068.10-922,733.40

Finding the Fourth Proportional to 1,988,045.40, 2,982,068.10 and 922,733.40

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Solution

The fourth proportional to 1,988,045.40, 2,982,068.10 and 922,733.40 is: 1,384,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,045.40 : 2,982,068.10 = 922,733.40 : x
  2. Step 2: Convert to fraction form
    1,988,045.40/2,982,068.10 = 922,733.40/x
  3. Step 3: Cross multiply
    1,988,045.40x = 2,982,068.10 × 922,733.40
  4. Step 4: Simplify right side
    1,988,045.40x = 2,751,653,836,944.54
  5. Step 5: Solve for x
    x = 2,751,653,836,944.54/1,988,045.40
  6. Step 6: Final answer
    x = 1,384,100.10

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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.