Home / 1,572,100.49-2,167,957.45-998,144.21

Finding the Fourth Proportional to 1,572,100.49, 2,167,957.45 and 998,144.21

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Solution

The fourth proportional to 1,572,100.49, 2,167,957.45 and 998,144.21 is: 1,376,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,100.49 : 2,167,957.45 = 998,144.21 : x
  2. Step 2: Convert to fraction form
    1,572,100.49/2,167,957.45 = 998,144.21/x
  3. Step 3: Cross multiply
    1,572,100.49x = 2,167,957.45 × 998,144.21
  4. Step 4: Simplify right side
    1,572,100.49x = 2,163,934,176,243.86
  5. Step 5: Solve for x
    x = 2,163,934,176,243.86/1,572,100.49
  6. Step 6: Final answer
    x = 1,376,460.47

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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.