Home / 3,380,095.24-5,070,149.20-821,312.36

Finding the Fourth Proportional to 3,380,095.24, 5,070,149.20 and 821,312.36

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Solution

The fourth proportional to 3,380,095.24, 5,070,149.20 and 821,312.36 is: 1,231,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,095.24 : 5,070,149.20 = 821,312.36 : x
  2. Step 2: Convert to fraction form
    3,380,095.24/5,070,149.20 = 821,312.36/x
  3. Step 3: Cross multiply
    3,380,095.24x = 5,070,149.20 × 821,312.36
  4. Step 4: Simplify right side
    3,380,095.24x = 4,164,176,199,693.07
  5. Step 5: Solve for x
    x = 4,164,176,199,693.07/3,380,095.24
  6. Step 6: Final answer
    x = 1,231,970.08

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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.