Home / 3,187,262-4,398,421.66-1,756,478

Finding the Fourth Proportional to 3,187,262, 4,398,421.66 and 1,756,478

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Solution

The fourth proportional to 3,187,262, 4,398,421.66 and 1,756,478 is: 2,423,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,262 : 4,398,421.66 = 1,756,478 : x
  2. Step 2: Convert to fraction form
    3,187,262/4,398,421.66 = 1,756,478/x
  3. Step 3: Cross multiply
    3,187,262x = 4,398,421.66 × 1,756,478
  4. Step 4: Simplify right side
    3,187,262x = 7,725,730,880,513.48
  5. Step 5: Solve for x
    x = 7,725,730,880,513.48/3,187,262
  6. Step 6: Final answer
    x = 2,423,939.70

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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.