Home / 5,178,127.71-7,767,503.04-1,583,925.80

Finding the Fourth Proportional to 5,178,127.71, 7,767,503.04 and 1,583,925.80

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Solution

The fourth proportional to 5,178,127.71, 7,767,503.04 and 1,583,925.80 is: 2,375,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,127.71 : 7,767,503.04 = 1,583,925.80 : x
  2. Step 2: Convert to fraction form
    5,178,127.71/7,767,503.04 = 1,583,925.80/x
  3. Step 3: Cross multiply
    5,178,127.71x = 7,767,503.04 × 1,583,925.80
  4. Step 4: Simplify right side
    5,178,127.71x = 12,303,148,451,127.95
  5. Step 5: Solve for x
    x = 12,303,148,451,127.95/5,178,127.71
  6. Step 6: Final answer
    x = 2,375,983.97

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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.