Home / 3,136,473-4,328,332.74-1,705,689

Finding the Fourth Proportional to 3,136,473, 4,328,332.74 and 1,705,689

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Solution

The fourth proportional to 3,136,473, 4,328,332.74 and 1,705,689 is: 2,353,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,473 : 4,328,332.74 = 1,705,689 : x
  2. Step 2: Convert to fraction form
    3,136,473/4,328,332.74 = 1,705,689/x
  3. Step 3: Cross multiply
    3,136,473x = 4,328,332.74 × 1,705,689
  4. Step 4: Simplify right side
    3,136,473x = 7,382,789,542,957.86
  5. Step 5: Solve for x
    x = 7,382,789,542,957.86/3,136,473
  6. Step 6: Final answer
    x = 2,353,850.82

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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.