Home / 3,972,290.40-5,958,435.60-980,474.40

Finding the Fourth Proportional to 3,972,290.40, 5,958,435.60 and 980,474.40

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Solution

The fourth proportional to 3,972,290.40, 5,958,435.60 and 980,474.40 is: 1,470,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,290.40 : 5,958,435.60 = 980,474.40 : x
  2. Step 2: Convert to fraction form
    3,972,290.40/5,958,435.60 = 980,474.40/x
  3. Step 3: Cross multiply
    3,972,290.40x = 5,958,435.60 × 980,474.40
  4. Step 4: Simplify right side
    3,972,290.40x = 5,842,093,569,848.64
  5. Step 5: Solve for x
    x = 5,842,093,569,848.64/3,972,290.40
  6. Step 6: Final answer
    x = 1,470,711.60

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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.