Home / 5,182,384.39-7,151,715.18-2,859,276.76

Finding the Fourth Proportional to 5,182,384.39, 7,151,715.18 and 2,859,276.76

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Solution

The fourth proportional to 5,182,384.39, 7,151,715.18 and 2,859,276.76 is: 3,945,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,384.39 : 7,151,715.18 = 2,859,276.76 : x
  2. Step 2: Convert to fraction form
    5,182,384.39/7,151,715.18 = 2,859,276.76/x
  3. Step 3: Cross multiply
    5,182,384.39x = 7,151,715.18 × 2,859,276.76
  4. Step 4: Simplify right side
    5,182,384.39x = 20,448,732,990,433.93
  5. Step 5: Solve for x
    x = 20,448,732,990,433.93/5,182,384.39
  6. Step 6: Final answer
    x = 3,945,815.57

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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.