Home / 2,068,875.40-3,104,187.90-1,311,298.60

Finding the Fourth Proportional to 2,068,875.40, 3,104,187.90 and 1,311,298.60

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Solution

The fourth proportional to 2,068,875.40, 3,104,187.90 and 1,311,298.60 is: 1,967,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,875.40 : 3,104,187.90 = 1,311,298.60 : x
  2. Step 2: Convert to fraction form
    2,068,875.40/3,104,187.90 = 1,311,298.60/x
  3. Step 3: Cross multiply
    2,068,875.40x = 3,104,187.90 × 1,311,298.60
  4. Step 4: Simplify right side
    2,068,875.40x = 4,070,517,247,406.94
  5. Step 5: Solve for x
    x = 4,070,517,247,406.94/2,068,875.40
  6. Step 6: Final answer
    x = 1,967,502.37

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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.