Home / 4,781,689.51-7,172,498.51-1,369,979

Finding the Fourth Proportional to 4,781,689.51, 7,172,498.51 and 1,369,979

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Solution

The fourth proportional to 4,781,689.51, 7,172,498.51 and 1,369,979 is: 2,054,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,689.51 : 7,172,498.51 = 1,369,979 : x
  2. Step 2: Convert to fraction form
    4,781,689.51/7,172,498.51 = 1,369,979/x
  3. Step 3: Cross multiply
    4,781,689.51x = 7,172,498.51 × 1,369,979
  4. Step 4: Simplify right side
    4,781,689.51x = 9,826,172,336,231.29
  5. Step 5: Solve for x
    x = 9,826,172,336,231.29/4,781,689.51
  6. Step 6: Final answer
    x = 2,054,958.26

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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.