Home / 3,221,187.13-4,445,124.80-1,770,871.90

Finding the Fourth Proportional to 3,221,187.13, 4,445,124.80 and 1,770,871.90

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Solution

The fourth proportional to 3,221,187.13, 4,445,124.80 and 1,770,871.90 is: 2,443,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,187.13 : 4,445,124.80 = 1,770,871.90 : x
  2. Step 2: Convert to fraction form
    3,221,187.13/4,445,124.80 = 1,770,871.90/x
  3. Step 3: Cross multiply
    3,221,187.13x = 4,445,124.80 × 1,770,871.90
  4. Step 4: Simplify right side
    3,221,187.13x = 7,871,746,600,313.12
  5. Step 5: Solve for x
    x = 7,871,746,600,313.12/3,221,187.13
  6. Step 6: Final answer
    x = 2,443,740.86

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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.