Home / 2,575,659.20-3,864,007.20-2,157,828.80

Finding the Fourth Proportional to 2,575,659.20, 3,864,007.20 and 2,157,828.80

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Solution

The fourth proportional to 2,575,659.20, 3,864,007.20 and 2,157,828.80 is: 3,237,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,659.20 : 3,864,007.20 = 2,157,828.80 : x
  2. Step 2: Convert to fraction form
    2,575,659.20/3,864,007.20 = 2,157,828.80/x
  3. Step 3: Cross multiply
    2,575,659.20x = 3,864,007.20 × 2,157,828.80
  4. Step 4: Simplify right side
    2,575,659.20x = 8,337,866,019,567.36
  5. Step 5: Solve for x
    x = 8,337,866,019,567.36/2,575,659.20
  6. Step 6: Final answer
    x = 3,237,177.50

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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.