Home / 2,412,740.40-3,618,851.40-639,812.40

Finding the Fourth Proportional to 2,412,740.40, 3,618,851.40 and 639,812.40

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Solution

The fourth proportional to 2,412,740.40, 3,618,851.40 and 639,812.40 is: 959,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,740.40 : 3,618,851.40 = 639,812.40 : x
  2. Step 2: Convert to fraction form
    2,412,740.40/3,618,851.40 = 639,812.40/x
  3. Step 3: Cross multiply
    2,412,740.40x = 3,618,851.40 × 639,812.40
  4. Step 4: Simplify right side
    2,412,740.40x = 2,315,385,999,477.36
  5. Step 5: Solve for x
    x = 2,315,385,999,477.36/2,412,740.40
  6. Step 6: Final answer
    x = 959,649.87

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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.