Home / 2,190,926.68-3,023,423.01-1,224,064.20

Finding the Fourth Proportional to 2,190,926.68, 3,023,423.01 and 1,224,064.20

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Solution

The fourth proportional to 2,190,926.68, 3,023,423.01 and 1,224,064.20 is: 1,689,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,926.68 : 3,023,423.01 = 1,224,064.20 : x
  2. Step 2: Convert to fraction form
    2,190,926.68/3,023,423.01 = 1,224,064.20/x
  3. Step 3: Cross multiply
    2,190,926.68x = 3,023,423.01 × 1,224,064.20
  4. Step 4: Simplify right side
    2,190,926.68x = 3,700,863,879,335.08
  5. Step 5: Solve for x
    x = 3,700,863,879,335.08/2,190,926.68
  6. Step 6: Final answer
    x = 1,689,177.42

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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.