Home / 6,452,000.40-9,678,000.60-5,257,606.80

Finding the Fourth Proportional to 6,452,000.40, 9,678,000.60 and 5,257,606.80

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Solution

The fourth proportional to 6,452,000.40, 9,678,000.60 and 5,257,606.80 is: 7,886,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452,000.40 : 9,678,000.60 = 5,257,606.80 : x
  2. Step 2: Convert to fraction form
    6,452,000.40/9,678,000.60 = 5,257,606.80/x
  3. Step 3: Cross multiply
    6,452,000.40x = 9,678,000.60 × 5,257,606.80
  4. Step 4: Simplify right side
    6,452,000.40x = 50,883,121,764,964.08
  5. Step 5: Solve for x
    x = 50,883,121,764,964.08/6,452,000.40
  6. Step 6: Final answer
    x = 7,886,410.20

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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.