Home / 2,914,010.40-4,371,015.60-784,309.80

Finding the Fourth Proportional to 2,914,010.40, 4,371,015.60 and 784,309.80

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Solution

The fourth proportional to 2,914,010.40, 4,371,015.60 and 784,309.80 is: 1,176,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,010.40 : 4,371,015.60 = 784,309.80 : x
  2. Step 2: Convert to fraction form
    2,914,010.40/4,371,015.60 = 784,309.80/x
  3. Step 3: Cross multiply
    2,914,010.40x = 4,371,015.60 × 784,309.80
  4. Step 4: Simplify right side
    2,914,010.40x = 3,428,230,371,032.88
  5. Step 5: Solve for x
    x = 3,428,230,371,032.88/2,914,010.40
  6. Step 6: Final answer
    x = 1,176,464.70

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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.