Home / 2,068,807.40-3,104,085.90-1,311,230.60

Finding the Fourth Proportional to 2,068,807.40, 3,104,085.90 and 1,311,230.60

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Solution

The fourth proportional to 2,068,807.40, 3,104,085.90 and 1,311,230.60 is: 1,967,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,807.40 : 3,104,085.90 = 1,311,230.60 : x
  2. Step 2: Convert to fraction form
    2,068,807.40/3,104,085.90 = 1,311,230.60/x
  3. Step 3: Cross multiply
    2,068,807.40x = 3,104,085.90 × 1,311,230.60
  4. Step 4: Simplify right side
    2,068,807.40x = 4,070,172,417,108.54
  5. Step 5: Solve for x
    x = 4,070,172,417,108.54/2,068,807.40
  6. Step 6: Final answer
    x = 1,967,400.36

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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.