Home / 2,166,656.34-2,989,948.92-1,199,766

Finding the Fourth Proportional to 2,166,656.34, 2,989,948.92 and 1,199,766

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Solution

The fourth proportional to 2,166,656.34, 2,989,948.92 and 1,199,766 is: 1,655,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,656.34 : 2,989,948.92 = 1,199,766 : x
  2. Step 2: Convert to fraction form
    2,166,656.34/2,989,948.92 = 1,199,766/x
  3. Step 3: Cross multiply
    2,166,656.34x = 2,989,948.92 × 1,199,766
  4. Step 4: Simplify right side
    2,166,656.34x = 3,587,239,055,952.72
  5. Step 5: Solve for x
    x = 3,587,239,055,952.72/2,166,656.34
  6. Step 6: Final answer
    x = 1,655,656.69

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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.