Home / 2,269,044.63-3,131,436.51-1,386,371.70

Finding the Fourth Proportional to 2,269,044.63, 3,131,436.51 and 1,386,371.70

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Solution

The fourth proportional to 2,269,044.63, 3,131,436.51 and 1,386,371.70 is: 1,913,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,044.63 : 3,131,436.51 = 1,386,371.70 : x
  2. Step 2: Convert to fraction form
    2,269,044.63/3,131,436.51 = 1,386,371.70/x
  3. Step 3: Cross multiply
    2,269,044.63x = 3,131,436.51 × 1,386,371.70
  4. Step 4: Simplify right side
    2,269,044.63x = 4,341,334,957,810.77
  5. Step 5: Solve for x
    x = 4,341,334,957,810.77/2,269,044.63
  6. Step 6: Final answer
    x = 1,913,287.60

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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.