Home / 2,878,177.42-4,316,872.20-856,733.32

Finding the Fourth Proportional to 2,878,177.42, 4,316,872.20 and 856,733.32

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Solution

The fourth proportional to 2,878,177.42, 4,316,872.20 and 856,733.32 is: 1,284,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,177.42 : 4,316,872.20 = 856,733.32 : x
  2. Step 2: Convert to fraction form
    2,878,177.42/4,316,872.20 = 856,733.32/x
  3. Step 3: Cross multiply
    2,878,177.42x = 4,316,872.20 × 856,733.32
  4. Step 4: Simplify right side
    2,878,177.42x = 3,698,408,251,921.70
  5. Step 5: Solve for x
    x = 3,698,408,251,921.70/2,878,177.42
  6. Step 6: Final answer
    x = 1,284,982.72

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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.