Home / 2,712,014.70-4,068,022.05-690,254.70

Finding the Fourth Proportional to 2,712,014.70, 4,068,022.05 and 690,254.70

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Solution

The fourth proportional to 2,712,014.70, 4,068,022.05 and 690,254.70 is: 1,035,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,014.70 : 4,068,022.05 = 690,254.70 : x
  2. Step 2: Convert to fraction form
    2,712,014.70/4,068,022.05 = 690,254.70/x
  3. Step 3: Cross multiply
    2,712,014.70x = 4,068,022.05 × 690,254.70
  4. Step 4: Simplify right side
    2,712,014.70x = 2,807,971,339,716.13
  5. Step 5: Solve for x
    x = 2,807,971,339,716.13/2,712,014.70
  6. Step 6: Final answer
    x = 1,035,382.05

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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.