Home / 1,852,215.90-2,781,175.05-1,012,407.90

Finding the Fourth Proportional to 1,852,215.90, 2,781,175.05 and 1,012,407.90

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Solution

The fourth proportional to 1,852,215.90, 2,781,175.05 and 1,012,407.90 is: 1,520,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,215.90 : 2,781,175.05 = 1,012,407.90 : x
  2. Step 2: Convert to fraction form
    1,852,215.90/2,781,175.05 = 1,012,407.90/x
  3. Step 3: Cross multiply
    1,852,215.90x = 2,781,175.05 × 1,012,407.90
  4. Step 4: Simplify right side
    1,852,215.90x = 2,815,683,591,902.90
  5. Step 5: Solve for x
    x = 2,815,683,591,902.90/1,852,215.90
  6. Step 6: Final answer
    x = 1,520,170.30

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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.