Home / 6,476,777.60-9,715,166.40-1,988,470.40

Finding the Fourth Proportional to 6,476,777.60, 9,715,166.40 and 1,988,470.40

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Solution

The fourth proportional to 6,476,777.60, 9,715,166.40 and 1,988,470.40 is: 2,982,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,777.60 : 9,715,166.40 = 1,988,470.40 : x
  2. Step 2: Convert to fraction form
    6,476,777.60/9,715,166.40 = 1,988,470.40/x
  3. Step 3: Cross multiply
    6,476,777.60x = 9,715,166.40 × 1,988,470.40
  4. Step 4: Simplify right side
    6,476,777.60x = 19,318,320,817,474.56
  5. Step 5: Solve for x
    x = 19,318,320,817,474.56/6,476,777.60
  6. Step 6: Final answer
    x = 2,982,705.60

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Similar ratio
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1.5x scale

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.