Home / 2,109,649.28-3,164,124-761,553.28

Finding the Fourth Proportional to 2,109,649.28, 3,164,124 and 761,553.28

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Solution

The fourth proportional to 2,109,649.28, 3,164,124 and 761,553.28 is: 1,142,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,649.28 : 3,164,124 = 761,553.28 : x
  2. Step 2: Convert to fraction form
    2,109,649.28/3,164,124 = 761,553.28/x
  3. Step 3: Cross multiply
    2,109,649.28x = 3,164,124 × 761,553.28
  4. Step 4: Simplify right side
    2,109,649.28x = 2,409,649,010,526.72
  5. Step 5: Solve for x
    x = 2,409,649,010,526.72/2,109,649.28
  6. Step 6: Final answer
    x = 1,142,203.60

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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.