Home / 2,828,160.20-3,902,943.12-1,539,083.72

Finding the Fourth Proportional to 2,828,160.20, 3,902,943.12 and 1,539,083.72

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Solution

The fourth proportional to 2,828,160.20, 3,902,943.12 and 1,539,083.72 is: 2,123,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,160.20 : 3,902,943.12 = 1,539,083.72 : x
  2. Step 2: Convert to fraction form
    2,828,160.20/3,902,943.12 = 1,539,083.72/x
  3. Step 3: Cross multiply
    2,828,160.20x = 3,902,943.12 × 1,539,083.72
  4. Step 4: Simplify right side
    2,828,160.20x = 6,006,956,216,078.01
  5. Step 5: Solve for x
    x = 6,006,956,216,078.01/2,828,160.20
  6. Step 6: Final answer
    x = 2,123,980.18

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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.