Home / 3,820,955.76-5,272,953.19-2,078,663.11

Finding the Fourth Proportional to 3,820,955.76, 5,272,953.19 and 2,078,663.11

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Solution

The fourth proportional to 3,820,955.76, 5,272,953.19 and 2,078,663.11 is: 2,868,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,955.76 : 5,272,953.19 = 2,078,663.11 : x
  2. Step 2: Convert to fraction form
    3,820,955.76/5,272,953.19 = 2,078,663.11/x
  3. Step 3: Cross multiply
    3,820,955.76x = 5,272,953.19 × 2,078,663.11
  4. Step 4: Simplify right side
    3,820,955.76x = 10,960,693,288,268.18
  5. Step 5: Solve for x
    x = 10,960,693,288,268.18/3,820,955.76
  6. Step 6: Final answer
    x = 2,868,573.72

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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.