Home / 2,345,139.61-3,236,020.71-1,312,705.20

Finding the Fourth Proportional to 2,345,139.61, 3,236,020.71 and 1,312,705.20

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Solution

The fourth proportional to 2,345,139.61, 3,236,020.71 and 1,312,705.20 is: 1,811,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345,139.61 : 3,236,020.71 = 1,312,705.20 : x
  2. Step 2: Convert to fraction form
    2,345,139.61/3,236,020.71 = 1,312,705.20/x
  3. Step 3: Cross multiply
    2,345,139.61x = 3,236,020.71 × 1,312,705.20
  4. Step 4: Simplify right side
    2,345,139.61x = 4,247,941,220,537.13
  5. Step 5: Solve for x
    x = 4,247,941,220,537.13/2,345,139.61
  6. Step 6: Final answer
    x = 1,811,380.95

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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.