Home / 3,587,510.40-5,381,242.78-1,313,193.21

Finding the Fourth Proportional to 3,587,510.40, 5,381,242.78 and 1,313,193.21

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Solution

The fourth proportional to 3,587,510.40, 5,381,242.78 and 1,313,193.21 is: 1,969,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,510.40 : 5,381,242.78 = 1,313,193.21 : x
  2. Step 2: Convert to fraction form
    3,587,510.40/5,381,242.78 = 1,313,193.21/x
  3. Step 3: Cross multiply
    3,587,510.40x = 5,381,242.78 × 1,313,193.21
  4. Step 4: Simplify right side
    3,587,510.40x = 7,066,611,480,057.53
  5. Step 5: Solve for x
    x = 7,066,611,480,057.53/3,587,510.40
  6. Step 6: Final answer
    x = 1,969,781.46

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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.