Home / 3,421,772.05-4,722,544.08-1,971,188.41

Finding the Fourth Proportional to 3,421,772.05, 4,722,544.08 and 1,971,188.41

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Solution

The fourth proportional to 3,421,772.05, 4,722,544.08 and 1,971,188.41 is: 2,720,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,772.05 : 4,722,544.08 = 1,971,188.41 : x
  2. Step 2: Convert to fraction form
    3,421,772.05/4,722,544.08 = 1,971,188.41/x
  3. Step 3: Cross multiply
    3,421,772.05x = 4,722,544.08 × 1,971,188.41
  4. Step 4: Simplify right side
    3,421,772.05x = 9,309,024,156,210.11
  5. Step 5: Solve for x
    x = 9,309,024,156,210.11/3,421,772.05
  6. Step 6: Final answer
    x = 2,720,527.26

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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.