Home / 4,580,453.20-6,870,679.80-1,215,000.40

Finding the Fourth Proportional to 4,580,453.20, 6,870,679.80 and 1,215,000.40

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Solution

The fourth proportional to 4,580,453.20, 6,870,679.80 and 1,215,000.40 is: 1,822,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580,453.20 : 6,870,679.80 = 1,215,000.40 : x
  2. Step 2: Convert to fraction form
    4,580,453.20/6,870,679.80 = 1,215,000.40/x
  3. Step 3: Cross multiply
    4,580,453.20x = 6,870,679.80 × 1,215,000.40
  4. Step 4: Simplify right side
    4,580,453.20x = 8,347,878,705,271.92
  5. Step 5: Solve for x
    x = 8,347,878,705,271.92/4,580,453.20
  6. Step 6: Final answer
    x = 1,822,500.60

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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.