Home / 2,486,572.68-3,731,040-1,288,271.64

Finding the Fourth Proportional to 2,486,572.68, 3,731,040 and 1,288,271.64

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Solution

The fourth proportional to 2,486,572.68, 3,731,040 and 1,288,271.64 is: 1,933,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,572.68 : 3,731,040 = 1,288,271.64 : x
  2. Step 2: Convert to fraction form
    2,486,572.68/3,731,040 = 1,288,271.64/x
  3. Step 3: Cross multiply
    2,486,572.68x = 3,731,040 × 1,288,271.64
  4. Step 4: Simplify right side
    2,486,572.68x = 4,806,593,019,705.60
  5. Step 5: Solve for x
    x = 4,806,593,019,705.60/2,486,572.68
  6. Step 6: Final answer
    x = 1,933,019.32

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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.