Home / 1,886,168.79-2,827,666.17-820,408.14

Finding the Fourth Proportional to 1,886,168.79, 2,827,666.17 and 820,408.14

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Solution

The fourth proportional to 1,886,168.79, 2,827,666.17 and 820,408.14 is: 1,229,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,168.79 : 2,827,666.17 = 820,408.14 : x
  2. Step 2: Convert to fraction form
    1,886,168.79/2,827,666.17 = 820,408.14/x
  3. Step 3: Cross multiply
    1,886,168.79x = 2,827,666.17 × 820,408.14
  4. Step 4: Simplify right side
    1,886,168.79x = 2,319,840,343,070.62
  5. Step 5: Solve for x
    x = 2,319,840,343,070.62/1,886,168.79
  6. Step 6: Final answer
    x = 1,229,921.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.