Home / 3,187,209-4,398,348.42-1,756,425

Finding the Fourth Proportional to 3,187,209, 4,398,348.42 and 1,756,425

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Solution

The fourth proportional to 3,187,209, 4,398,348.42 and 1,756,425 is: 2,423,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,209 : 4,398,348.42 = 1,756,425 : x
  2. Step 2: Convert to fraction form
    3,187,209/4,398,348.42 = 1,756,425/x
  3. Step 3: Cross multiply
    3,187,209x = 4,398,348.42 × 1,756,425
  4. Step 4: Simplify right side
    3,187,209x = 7,725,369,123,598.50
  5. Step 5: Solve for x
    x = 7,725,369,123,598.50/3,187,209
  6. Step 6: Final answer
    x = 2,423,866.50

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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.