Home / 3,120,786.90-4,673,307.15-2,490,930.90

Finding the Fourth Proportional to 3,120,786.90, 4,673,307.15 and 2,490,930.90

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Solution

The fourth proportional to 3,120,786.90, 4,673,307.15 and 2,490,930.90 is: 3,730,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,786.90 : 4,673,307.15 = 2,490,930.90 : x
  2. Step 2: Convert to fraction form
    3,120,786.90/4,673,307.15 = 2,490,930.90/x
  3. Step 3: Cross multiply
    3,120,786.90x = 4,673,307.15 × 2,490,930.90
  4. Step 4: Simplify right side
    3,120,786.90x = 11,640,885,185,125.94
  5. Step 5: Solve for x
    x = 11,640,885,185,125.94/3,120,786.90
  6. Step 6: Final answer
    x = 3,730,112.17

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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.