Home / 5,278,359.19-7,917,400.27-1,684,345.45

Finding the Fourth Proportional to 5,278,359.19, 7,917,400.27 and 1,684,345.45

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Solution

The fourth proportional to 5,278,359.19, 7,917,400.27 and 1,684,345.45 is: 2,526,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,359.19 : 7,917,400.27 = 1,684,345.45 : x
  2. Step 2: Convert to fraction form
    5,278,359.19/7,917,400.27 = 1,684,345.45/x
  3. Step 3: Cross multiply
    5,278,359.19x = 7,917,400.27 × 1,684,345.45
  4. Step 4: Simplify right side
    5,278,359.19x = 13,335,637,120,603.27
  5. Step 5: Solve for x
    x = 13,335,637,120,603.27/5,278,359.19
  6. Step 6: Final answer
    x = 2,526,473.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.