Home / 1,931,444.60-2,897,166.90-1,917,447.80

Finding the Fourth Proportional to 1,931,444.60, 2,897,166.90 and 1,917,447.80

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Solution

The fourth proportional to 1,931,444.60, 2,897,166.90 and 1,917,447.80 is: 2,876,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,444.60 : 2,897,166.90 = 1,917,447.80 : x
  2. Step 2: Convert to fraction form
    1,931,444.60/2,897,166.90 = 1,917,447.80/x
  3. Step 3: Cross multiply
    1,931,444.60x = 2,897,166.90 × 1,917,447.80
  4. Step 4: Simplify right side
    1,931,444.60x = 5,555,166,298,637.82
  5. Step 5: Solve for x
    x = 5,555,166,298,637.82/1,931,444.60
  6. Step 6: Final answer
    x = 2,876,171.70

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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.