Home / 5,370,428.40-8,048,644.20-2,172,937.20

Finding the Fourth Proportional to 5,370,428.40, 8,048,644.20 and 2,172,937.20

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Solution

The fourth proportional to 5,370,428.40, 8,048,644.20 and 2,172,937.20 is: 3,256,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370,428.40 : 8,048,644.20 = 2,172,937.20 : x
  2. Step 2: Convert to fraction form
    5,370,428.40/8,048,644.20 = 2,172,937.20/x
  3. Step 3: Cross multiply
    5,370,428.40x = 8,048,644.20 × 2,172,937.20
  4. Step 4: Simplify right side
    5,370,428.40x = 17,489,198,391,744.24
  5. Step 5: Solve for x
    x = 17,489,198,391,744.24/5,370,428.40
  6. Step 6: Final answer
    x = 3,256,574.17

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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.