Home / 5,127,479.84-7,690,632.24-1,341,328.16

Finding the Fourth Proportional to 5,127,479.84, 7,690,632.24 and 1,341,328.16

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Solution

The fourth proportional to 5,127,479.84, 7,690,632.24 and 1,341,328.16 is: 2,011,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,479.84 : 7,690,632.24 = 1,341,328.16 : x
  2. Step 2: Convert to fraction form
    5,127,479.84/7,690,632.24 = 1,341,328.16/x
  3. Step 3: Cross multiply
    5,127,479.84x = 7,690,632.24 × 1,341,328.16
  4. Step 4: Simplify right side
    5,127,479.84x = 10,315,661,591,715.88
  5. Step 5: Solve for x
    x = 10,315,661,591,715.88/5,127,479.84
  6. Step 6: Final answer
    x = 2,011,838.55

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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.