Home / 3,860,798.80-5,328,541.92-2,142,471.28

Finding the Fourth Proportional to 3,860,798.80, 5,328,541.92 and 2,142,471.28

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Solution

The fourth proportional to 3,860,798.80, 5,328,541.92 and 2,142,471.28 is: 2,956,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,798.80 : 5,328,541.92 = 2,142,471.28 : x
  2. Step 2: Convert to fraction form
    3,860,798.80/5,328,541.92 = 2,142,471.28/x
  3. Step 3: Cross multiply
    3,860,798.80x = 5,328,541.92 × 2,142,471.28
  4. Step 4: Simplify right side
    3,860,798.80x = 11,416,248,027,876.06
  5. Step 5: Solve for x
    x = 11,416,248,027,876.06/3,860,798.80
  6. Step 6: Final answer
    x = 2,956,965.29

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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.