Home / 2,815,818.63-4,224,983.63-1,298,685.75

Finding the Fourth Proportional to 2,815,818.63, 4,224,983.63 and 1,298,685.75

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Solution

The fourth proportional to 2,815,818.63, 4,224,983.63 and 1,298,685.75 is: 1,948,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,818.63 : 4,224,983.63 = 1,298,685.75 : x
  2. Step 2: Convert to fraction form
    2,815,818.63/4,224,983.63 = 1,298,685.75/x
  3. Step 3: Cross multiply
    2,815,818.63x = 4,224,983.63 × 1,298,685.75
  4. Step 4: Simplify right side
    2,815,818.63x = 5,486,926,027,770.84
  5. Step 5: Solve for x
    x = 5,486,926,027,770.84/2,815,818.63
  6. Step 6: Final answer
    x = 1,948,607.76

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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.