Home / 3,111,390.75-4,293,719.28-1,753,312.35

Finding the Fourth Proportional to 3,111,390.75, 4,293,719.28 and 1,753,312.35

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Solution

The fourth proportional to 3,111,390.75, 4,293,719.28 and 1,753,312.35 is: 2,419,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,390.75 : 4,293,719.28 = 1,753,312.35 : x
  2. Step 2: Convert to fraction form
    3,111,390.75/4,293,719.28 = 1,753,312.35/x
  3. Step 3: Cross multiply
    3,111,390.75x = 4,293,719.28 × 1,753,312.35
  4. Step 4: Simplify right side
    3,111,390.75x = 7,528,231,041,057.11
  5. Step 5: Solve for x
    x = 7,528,231,041,057.11/3,111,390.75
  6. Step 6: Final answer
    x = 2,419,571.07

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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.