Home / 1,568,140.90-2,348,712.15-1,212,000.10

Finding the Fourth Proportional to 1,568,140.90, 2,348,712.15 and 1,212,000.10

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Solution

The fourth proportional to 1,568,140.90, 2,348,712.15 and 1,212,000.10 is: 1,815,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,140.90 : 2,348,712.15 = 1,212,000.10 : x
  2. Step 2: Convert to fraction form
    1,568,140.90/2,348,712.15 = 1,212,000.10/x
  3. Step 3: Cross multiply
    1,568,140.90x = 2,348,712.15 × 1,212,000.10
  4. Step 4: Simplify right side
    1,568,140.90x = 2,846,639,360,671.22
  5. Step 5: Solve for x
    x = 2,846,639,360,671.22/1,568,140.90
  6. Step 6: Final answer
    x = 1,815,295.65

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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.