Home / 3,182,780.90-4,774,124.54-786,625.72

Finding the Fourth Proportional to 3,182,780.90, 4,774,124.54 and 786,625.72

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Solution

The fourth proportional to 3,182,780.90, 4,774,124.54 and 786,625.72 is: 1,179,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182,780.90 : 4,774,124.54 = 786,625.72 : x
  2. Step 2: Convert to fraction form
    3,182,780.90/4,774,124.54 = 786,625.72/x
  3. Step 3: Cross multiply
    3,182,780.90x = 4,774,124.54 × 786,625.72
  4. Step 4: Simplify right side
    3,182,780.90x = 3,755,449,153,647.17
  5. Step 5: Solve for x
    x = 3,755,449,153,647.17/3,182,780.90
  6. Step 6: Final answer
    x = 1,179,927.01

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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.