Home / 2,147,382.15-2,963,211.21-1,264,191.12

Finding the Fourth Proportional to 2,147,382.15, 2,963,211.21 and 1,264,191.12

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Solution

The fourth proportional to 2,147,382.15, 2,963,211.21 and 1,264,191.12 is: 1,744,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,382.15 : 2,963,211.21 = 1,264,191.12 : x
  2. Step 2: Convert to fraction form
    2,147,382.15/2,963,211.21 = 1,264,191.12/x
  3. Step 3: Cross multiply
    2,147,382.15x = 2,963,211.21 × 1,264,191.12
  4. Step 4: Simplify right side
    2,147,382.15x = 3,746,065,298,366.46
  5. Step 5: Solve for x
    x = 3,746,065,298,366.46/2,147,382.15
  6. Step 6: Final answer
    x = 1,744,480.04

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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.