Home / 1,941,886.42-2,678,705.85-1,215,473.02

Finding the Fourth Proportional to 1,941,886.42, 2,678,705.85 and 1,215,473.02

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Solution

The fourth proportional to 1,941,886.42, 2,678,705.85 and 1,215,473.02 is: 1,676,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,886.42 : 2,678,705.85 = 1,215,473.02 : x
  2. Step 2: Convert to fraction form
    1,941,886.42/2,678,705.85 = 1,215,473.02/x
  3. Step 3: Cross multiply
    1,941,886.42x = 2,678,705.85 × 1,215,473.02
  4. Step 4: Simplify right side
    1,941,886.42x = 3,255,894,689,191.17
  5. Step 5: Solve for x
    x = 3,255,894,689,191.17/1,941,886.42
  6. Step 6: Final answer
    x = 1,676,665.87

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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.