Home / 3,478,278.60-5,217,158.70-1,456,000.20

Finding the Fourth Proportional to 3,478,278.60, 5,217,158.70 and 1,456,000.20

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Solution

The fourth proportional to 3,478,278.60, 5,217,158.70 and 1,456,000.20 is: 2,183,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,278.60 : 5,217,158.70 = 1,456,000.20 : x
  2. Step 2: Convert to fraction form
    3,478,278.60/5,217,158.70 = 1,456,000.20/x
  3. Step 3: Cross multiply
    3,478,278.60x = 5,217,158.70 × 1,456,000.20
  4. Step 4: Simplify right side
    3,478,278.60x = 7,596,184,110,631.74
  5. Step 5: Solve for x
    x = 7,596,184,110,631.74/3,478,278.60
  6. Step 6: Final answer
    x = 2,183,891.80

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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.