Home / 2,179,988.48-3,270,120.96-684,139.52

Finding the Fourth Proportional to 2,179,988.48, 3,270,120.96 and 684,139.52

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Solution

The fourth proportional to 2,179,988.48, 3,270,120.96 and 684,139.52 is: 1,026,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,988.48 : 3,270,120.96 = 684,139.52 : x
  2. Step 2: Convert to fraction form
    2,179,988.48/3,270,120.96 = 684,139.52/x
  3. Step 3: Cross multiply
    2,179,988.48x = 3,270,120.96 × 684,139.52
  4. Step 4: Simplify right side
    2,179,988.48x = 2,237,218,983,916.34
  5. Step 5: Solve for x
    x = 2,237,218,983,916.34/2,179,988.48
  6. Step 6: Final answer
    x = 1,026,252.66

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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.