Home / 5,176,630.72-7,764,965.16-1,582,383.72

Finding the Fourth Proportional to 5,176,630.72, 7,764,965.16 and 1,582,383.72

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Solution

The fourth proportional to 5,176,630.72, 7,764,965.16 and 1,582,383.72 is: 2,373,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,630.72 : 7,764,965.16 = 1,582,383.72 : x
  2. Step 2: Convert to fraction form
    5,176,630.72/7,764,965.16 = 1,582,383.72/x
  3. Step 3: Cross multiply
    5,176,630.72x = 7,764,965.16 × 1,582,383.72
  4. Step 4: Simplify right side
    5,176,630.72x = 12,287,154,455,551.20
  5. Step 5: Solve for x
    x = 12,287,154,455,551.20/5,176,630.72
  6. Step 6: Final answer
    x = 2,373,581.41

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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.