Home / 1,550,593.40-2,319,329.10-1,391,817.20

Finding the Fourth Proportional to 1,550,593.40, 2,319,329.10 and 1,391,817.20

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Solution

The fourth proportional to 1,550,593.40, 2,319,329.10 and 1,391,817.20 is: 2,081,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,593.40 : 2,319,329.10 = 1,391,817.20 : x
  2. Step 2: Convert to fraction form
    1,550,593.40/2,319,329.10 = 1,391,817.20/x
  3. Step 3: Cross multiply
    1,550,593.40x = 2,319,329.10 × 1,391,817.20
  4. Step 4: Simplify right side
    1,550,593.40x = 3,228,082,133,840.52
  5. Step 5: Solve for x
    x = 3,228,082,133,840.52/1,550,593.40
  6. Step 6: Final answer
    x = 2,081,836.63

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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.