Home / 6,478,000.30-9,717,000.45-5,470,230.70

Finding the Fourth Proportional to 6,478,000.30, 9,717,000.45 and 5,470,230.70

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Solution

The fourth proportional to 6,478,000.30, 9,717,000.45 and 5,470,230.70 is: 8,205,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,000.30 : 9,717,000.45 = 5,470,230.70 : x
  2. Step 2: Convert to fraction form
    6,478,000.30/9,717,000.45 = 5,470,230.70/x
  3. Step 3: Cross multiply
    6,478,000.30x = 9,717,000.45 × 5,470,230.70
  4. Step 4: Simplify right side
    6,478,000.30x = 53,154,234,173,503.81
  5. Step 5: Solve for x
    x = 53,154,234,173,503.81/6,478,000.30
  6. Step 6: Final answer
    x = 8,205,346.05

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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.