Home / 2,116,117.12-2,921,378.88-1,631,620.48

Finding the Fourth Proportional to 2,116,117.12, 2,921,378.88 and 1,631,620.48

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Solution

The fourth proportional to 2,116,117.12, 2,921,378.88 and 1,631,620.48 is: 2,252,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,117.12 : 2,921,378.88 = 1,631,620.48 : x
  2. Step 2: Convert to fraction form
    2,116,117.12/2,921,378.88 = 1,631,620.48/x
  3. Step 3: Cross multiply
    2,116,117.12x = 2,921,378.88 × 1,631,620.48
  4. Step 4: Simplify right side
    2,116,117.12x = 4,766,581,610,447.46
  5. Step 5: Solve for x
    x = 4,766,581,610,447.46/2,116,117.12
  6. Step 6: Final answer
    x = 2,252,513.14

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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.