Home / 1,998,347.20-2,996,864.70-736,010.80

Finding the Fourth Proportional to 1,998,347.20, 2,996,864.70 and 736,010.80

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Solution

The fourth proportional to 1,998,347.20, 2,996,864.70 and 736,010.80 is: 1,103,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,347.20 : 2,996,864.70 = 736,010.80 : x
  2. Step 2: Convert to fraction form
    1,998,347.20/2,996,864.70 = 736,010.80/x
  3. Step 3: Cross multiply
    1,998,347.20x = 2,996,864.70 × 736,010.80
  4. Step 4: Simplify right side
    1,998,347.20x = 2,205,724,785,338.76
  5. Step 5: Solve for x
    x = 2,205,724,785,338.76/1,998,347.20
  6. Step 6: Final answer
    x = 1,103,774.55

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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.