Home / 3,138,273.02-4,330,674.78-1,914,384.08

Finding the Fourth Proportional to 3,138,273.02, 4,330,674.78 and 1,914,384.08

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Solution

The fourth proportional to 3,138,273.02, 4,330,674.78 and 1,914,384.08 is: 2,641,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,273.02 : 4,330,674.78 = 1,914,384.08 : x
  2. Step 2: Convert to fraction form
    3,138,273.02/4,330,674.78 = 1,914,384.08/x
  3. Step 3: Cross multiply
    3,138,273.02x = 4,330,674.78 × 1,914,384.08
  4. Step 4: Simplify right side
    3,138,273.02x = 8,290,574,854,489.50
  5. Step 5: Solve for x
    x = 8,290,574,854,489.50/3,138,273.02
  6. Step 6: Final answer
    x = 2,641,763.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.