Home / 3,151,130.94-4,348,315.17-1,861,726.77

Finding the Fourth Proportional to 3,151,130.94, 4,348,315.17 and 1,861,726.77

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Solution

The fourth proportional to 3,151,130.94, 4,348,315.17 and 1,861,726.77 is: 2,569,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,130.94 : 4,348,315.17 = 1,861,726.77 : x
  2. Step 2: Convert to fraction form
    3,151,130.94/4,348,315.17 = 1,861,726.77/x
  3. Step 3: Cross multiply
    3,151,130.94x = 4,348,315.17 × 1,861,726.77
  4. Step 4: Simplify right side
    3,151,130.94x = 8,095,374,756,386.10
  5. Step 5: Solve for x
    x = 8,095,374,756,386.10/3,151,130.94
  6. Step 6: Final answer
    x = 2,569,037.88

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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.