Home / 5,358,412.80-8,037,619.20-3,657,801.60

Finding the Fourth Proportional to 5,358,412.80, 8,037,619.20 and 3,657,801.60

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Solution

The fourth proportional to 5,358,412.80, 8,037,619.20 and 3,657,801.60 is: 5,486,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358,412.80 : 8,037,619.20 = 3,657,801.60 : x
  2. Step 2: Convert to fraction form
    5,358,412.80/8,037,619.20 = 3,657,801.60/x
  3. Step 3: Cross multiply
    5,358,412.80x = 8,037,619.20 × 3,657,801.60
  4. Step 4: Simplify right side
    5,358,412.80x = 29,400,016,369,950.72
  5. Step 5: Solve for x
    x = 29,400,016,369,950.72/5,358,412.80
  6. Step 6: Final answer
    x = 5,486,702.40

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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.