Home / 2,681,176.80-4,019,432.40-1,615,087.20

Finding the Fourth Proportional to 2,681,176.80, 4,019,432.40 and 1,615,087.20

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Solution

The fourth proportional to 2,681,176.80, 4,019,432.40 and 1,615,087.20 is: 2,421,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,176.80 : 4,019,432.40 = 1,615,087.20 : x
  2. Step 2: Convert to fraction form
    2,681,176.80/4,019,432.40 = 1,615,087.20/x
  3. Step 3: Cross multiply
    2,681,176.80x = 4,019,432.40 × 1,615,087.20
  4. Step 4: Simplify right side
    2,681,176.80x = 6,491,733,820,505.28
  5. Step 5: Solve for x
    x = 6,491,733,820,505.28/2,681,176.80
  6. Step 6: Final answer
    x = 2,421,225.57

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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.