Home / 3,343,618.70-5,015,428.05-1,213,772.30

Finding the Fourth Proportional to 3,343,618.70, 5,015,428.05 and 1,213,772.30

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Solution

The fourth proportional to 3,343,618.70, 5,015,428.05 and 1,213,772.30 is: 1,820,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343,618.70 : 5,015,428.05 = 1,213,772.30 : x
  2. Step 2: Convert to fraction form
    3,343,618.70/5,015,428.05 = 1,213,772.30/x
  3. Step 3: Cross multiply
    3,343,618.70x = 5,015,428.05 × 1,213,772.30
  4. Step 4: Simplify right side
    3,343,618.70x = 6,087,587,639,733.02
  5. Step 5: Solve for x
    x = 6,087,587,639,733.02/3,343,618.70
  6. Step 6: Final answer
    x = 1,820,658.45

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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.