Home / 2,088,518.22-2,881,897.11-1,272,425.76

Finding the Fourth Proportional to 2,088,518.22, 2,881,897.11 and 1,272,425.76

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Solution

The fourth proportional to 2,088,518.22, 2,881,897.11 and 1,272,425.76 is: 1,755,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,518.22 : 2,881,897.11 = 1,272,425.76 : x
  2. Step 2: Convert to fraction form
    2,088,518.22/2,881,897.11 = 1,272,425.76/x
  3. Step 3: Cross multiply
    2,088,518.22x = 2,881,897.11 × 1,272,425.76
  4. Step 4: Simplify right side
    2,088,518.22x = 3,667,000,120,433.55
  5. Step 5: Solve for x
    x = 3,667,000,120,433.55/2,088,518.22
  6. Step 6: Final answer
    x = 1,755,790.34

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1.5x scale

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.