Home / 1,983,456.77-2,737,228.07-1,123,988.45

Finding the Fourth Proportional to 1,983,456.77, 2,737,228.07 and 1,123,988.45

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Solution

The fourth proportional to 1,983,456.77, 2,737,228.07 and 1,123,988.45 is: 1,551,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,456.77 : 2,737,228.07 = 1,123,988.45 : x
  2. Step 2: Convert to fraction form
    1,983,456.77/2,737,228.07 = 1,123,988.45/x
  3. Step 3: Cross multiply
    1,983,456.77x = 2,737,228.07 × 1,123,988.45
  4. Step 4: Simplify right side
    1,983,456.77x = 3,076,612,724,819.62
  5. Step 5: Solve for x
    x = 3,076,612,724,819.62/1,983,456.77
  6. Step 6: Final answer
    x = 1,551,136.77

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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.