Home / 3,648,003.60-5,472,005.40-988,611.60

Finding the Fourth Proportional to 3,648,003.60, 5,472,005.40 and 988,611.60

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Solution

The fourth proportional to 3,648,003.60, 5,472,005.40 and 988,611.60 is: 1,482,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,003.60 : 5,472,005.40 = 988,611.60 : x
  2. Step 2: Convert to fraction form
    3,648,003.60/5,472,005.40 = 988,611.60/x
  3. Step 3: Cross multiply
    3,648,003.60x = 5,472,005.40 × 988,611.60
  4. Step 4: Simplify right side
    3,648,003.60x = 5,409,688,013,702.64
  5. Step 5: Solve for x
    x = 5,409,688,013,702.64/3,648,003.60
  6. Step 6: Final answer
    x = 1,482,917.40

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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.