Home / 1,880,197.43-2,592,101.76-1,291,478.90

Finding the Fourth Proportional to 1,880,197.43, 2,592,101.76 and 1,291,478.90

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Solution

The fourth proportional to 1,880,197.43, 2,592,101.76 and 1,291,478.90 is: 1,780,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,197.43 : 2,592,101.76 = 1,291,478.90 : x
  2. Step 2: Convert to fraction form
    1,880,197.43/2,592,101.76 = 1,291,478.90/x
  3. Step 3: Cross multiply
    1,880,197.43x = 2,592,101.76 × 1,291,478.90
  4. Step 4: Simplify right side
    1,880,197.43x = 3,347,644,716,732.36
  5. Step 5: Solve for x
    x = 3,347,644,716,732.36/1,880,197.43
  6. Step 6: Final answer
    x = 1,780,475.11

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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.