Home / 2,878,062.38-3,971,662.98-1,571,269.76

Finding the Fourth Proportional to 2,878,062.38, 3,971,662.98 and 1,571,269.76

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Solution

The fourth proportional to 2,878,062.38, 3,971,662.98 and 1,571,269.76 is: 2,168,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,062.38 : 3,971,662.98 = 1,571,269.76 : x
  2. Step 2: Convert to fraction form
    2,878,062.38/3,971,662.98 = 1,571,269.76/x
  3. Step 3: Cross multiply
    2,878,062.38x = 3,971,662.98 × 1,571,269.76
  4. Step 4: Simplify right side
    2,878,062.38x = 6,240,553,937,385.49
  5. Step 5: Solve for x
    x = 6,240,553,937,385.49/2,878,062.38
  6. Step 6: Final answer
    x = 2,168,317.82

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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.