Home / 2,171,711.10-3,257,955.45-909,666.30

Finding the Fourth Proportional to 2,171,711.10, 3,257,955.45 and 909,666.30

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Solution

The fourth proportional to 2,171,711.10, 3,257,955.45 and 909,666.30 is: 1,364,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,711.10 : 3,257,955.45 = 909,666.30 : x
  2. Step 2: Convert to fraction form
    2,171,711.10/3,257,955.45 = 909,666.30/x
  3. Step 3: Cross multiply
    2,171,711.10x = 3,257,955.45 × 909,666.30
  4. Step 4: Simplify right side
    2,171,711.10x = 2,963,652,279,766.34
  5. Step 5: Solve for x
    x = 2,963,652,279,766.34/2,171,711.10
  6. Step 6: Final answer
    x = 1,364,662.31

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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.