Home / 1,472,000.70-2,208,001.05-1,458,003.90

Finding the Fourth Proportional to 1,472,000.70, 2,208,001.05 and 1,458,003.90

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Solution

The fourth proportional to 1,472,000.70, 2,208,001.05 and 1,458,003.90 is: 2,187,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,000.70 : 2,208,001.05 = 1,458,003.90 : x
  2. Step 2: Convert to fraction form
    1,472,000.70/2,208,001.05 = 1,458,003.90/x
  3. Step 3: Cross multiply
    1,472,000.70x = 2,208,001.05 × 1,458,003.90
  4. Step 4: Simplify right side
    1,472,000.70x = 3,219,274,142,104.10
  5. Step 5: Solve for x
    x = 3,219,274,142,104.10/1,472,000.70
  6. Step 6: Final answer
    x = 2,187,005.85

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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.