Home / 1,988,133.18-2,982,140.31-548,904.30

Finding the Fourth Proportional to 1,988,133.18, 2,982,140.31 and 548,904.30

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Solution

The fourth proportional to 1,988,133.18, 2,982,140.31 and 548,904.30 is: 823,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,133.18 : 2,982,140.31 = 548,904.30 : x
  2. Step 2: Convert to fraction form
    1,988,133.18/2,982,140.31 = 548,904.30/x
  3. Step 3: Cross multiply
    1,988,133.18x = 2,982,140.31 × 548,904.30
  4. Step 4: Simplify right side
    1,988,133.18x = 1,636,909,650,768.13
  5. Step 5: Solve for x
    x = 1,636,909,650,768.13/1,988,133.18
  6. Step 6: Final answer
    x = 823,340.04

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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.