Home / 2,631,401.66-3,631,364.60-1,543,691.76

Finding the Fourth Proportional to 2,631,401.66, 3,631,364.60 and 1,543,691.76

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Solution

The fourth proportional to 2,631,401.66, 3,631,364.60 and 1,543,691.76 is: 2,130,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,401.66 : 3,631,364.60 = 1,543,691.76 : x
  2. Step 2: Convert to fraction form
    2,631,401.66/3,631,364.60 = 1,543,691.76/x
  3. Step 3: Cross multiply
    2,631,401.66x = 3,631,364.60 × 1,543,691.76
  4. Step 4: Simplify right side
    2,631,401.66x = 5,605,707,602,857.24
  5. Step 5: Solve for x
    x = 5,605,707,602,857.24/2,631,401.66
  6. Step 6: Final answer
    x = 2,130,312.41

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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.