Home / 3,109,503.05-4,291,055.88-1,732,816.43

Finding the Fourth Proportional to 3,109,503.05, 4,291,055.88 and 1,732,816.43

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Solution

The fourth proportional to 3,109,503.05, 4,291,055.88 and 1,732,816.43 is: 2,391,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,503.05 : 4,291,055.88 = 1,732,816.43 : x
  2. Step 2: Convert to fraction form
    3,109,503.05/4,291,055.88 = 1,732,816.43/x
  3. Step 3: Cross multiply
    3,109,503.05x = 4,291,055.88 × 1,732,816.43
  4. Step 4: Simplify right side
    3,109,503.05x = 7,435,612,130,912.11
  5. Step 5: Solve for x
    x = 7,435,612,130,912.11/3,109,503.05
  6. Step 6: Final answer
    x = 2,391,254.17

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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.