Home / 5,422,343.40-8,127,839.61-1,826,867.52

Finding the Fourth Proportional to 5,422,343.40, 8,127,839.61 and 1,826,867.52

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Solution

The fourth proportional to 5,422,343.40, 8,127,839.61 and 1,826,867.52 is: 2,738,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,343.40 : 8,127,839.61 = 1,826,867.52 : x
  2. Step 2: Convert to fraction form
    5,422,343.40/8,127,839.61 = 1,826,867.52/x
  3. Step 3: Cross multiply
    5,422,343.40x = 8,127,839.61 × 1,826,867.52
  4. Step 4: Simplify right side
    5,422,343.40x = 14,848,486,191,278.47
  5. Step 5: Solve for x
    x = 14,848,486,191,278.47/5,422,343.40
  6. Step 6: Final answer
    x = 2,738,389.12

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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.