Home / 5,147,349.14-7,103,320.16-2,855,509.83

Finding the Fourth Proportional to 5,147,349.14, 7,103,320.16 and 2,855,509.83

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Solution

The fourth proportional to 5,147,349.14, 7,103,320.16 and 2,855,509.83 is: 3,940,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,349.14 : 7,103,320.16 = 2,855,509.83 : x
  2. Step 2: Convert to fraction form
    5,147,349.14/7,103,320.16 = 2,855,509.83/x
  3. Step 3: Cross multiply
    5,147,349.14x = 7,103,320.16 × 2,855,509.83
  4. Step 4: Simplify right side
    5,147,349.14x = 20,283,600,528,239.62
  5. Step 5: Solve for x
    x = 20,283,600,528,239.62/5,147,349.14
  6. Step 6: Final answer
    x = 3,940,591.55

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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.