Home / 2,154,569.17-2,973,325.66-1,187,734.05

Finding the Fourth Proportional to 2,154,569.17, 2,973,325.66 and 1,187,734.05

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Solution

The fourth proportional to 2,154,569.17, 2,973,325.66 and 1,187,734.05 is: 1,639,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,569.17 : 2,973,325.66 = 1,187,734.05 : x
  2. Step 2: Convert to fraction form
    2,154,569.17/2,973,325.66 = 1,187,734.05/x
  3. Step 3: Cross multiply
    2,154,569.17x = 2,973,325.66 × 1,187,734.05
  4. Step 4: Simplify right side
    2,154,569.17x = 3,531,520,125,151.39
  5. Step 5: Solve for x
    x = 3,531,520,125,151.39/2,154,569.17
  6. Step 6: Final answer
    x = 1,639,084.13

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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.