Home / 5,172,424.94-7,138,507.20-2,849,555.54

Finding the Fourth Proportional to 5,172,424.94, 7,138,507.20 and 2,849,555.54

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Solution

The fourth proportional to 5,172,424.94, 7,138,507.20 and 2,849,555.54 is: 3,932,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,424.94 : 7,138,507.20 = 2,849,555.54 : x
  2. Step 2: Convert to fraction form
    5,172,424.94/7,138,507.20 = 2,849,555.54/x
  3. Step 3: Cross multiply
    5,172,424.94x = 7,138,507.20 × 2,849,555.54
  4. Step 4: Simplify right side
    5,172,424.94x = 20,341,572,739,089.89
  5. Step 5: Solve for x
    x = 20,341,572,739,089.89/5,172,424.94
  6. Step 6: Final answer
    x = 3,932,695.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.