Home / 3,132,578.95-4,698,872.45-858,123.34

Finding the Fourth Proportional to 3,132,578.95, 4,698,872.45 and 858,123.34

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Solution

The fourth proportional to 3,132,578.95, 4,698,872.45 and 858,123.34 is: 1,287,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,578.95 : 4,698,872.45 = 858,123.34 : x
  2. Step 2: Convert to fraction form
    3,132,578.95/4,698,872.45 = 858,123.34/x
  3. Step 3: Cross multiply
    3,132,578.95x = 4,698,872.45 × 858,123.34
  4. Step 4: Simplify right side
    3,132,578.95x = 4,032,212,121,027.98
  5. Step 5: Solve for x
    x = 4,032,212,121,027.98/3,132,578.95
  6. Step 6: Final answer
    x = 1,287,186.11

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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.