Home / 2,651,155.52-3,971,215.76-1,686,834.32

Finding the Fourth Proportional to 2,651,155.52, 3,971,215.76 and 1,686,834.32

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Solution

The fourth proportional to 2,651,155.52, 3,971,215.76 and 1,686,834.32 is: 2,526,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,155.52 : 3,971,215.76 = 1,686,834.32 : x
  2. Step 2: Convert to fraction form
    2,651,155.52/3,971,215.76 = 1,686,834.32/x
  3. Step 3: Cross multiply
    2,651,155.52x = 3,971,215.76 × 1,686,834.32
  4. Step 4: Simplify right side
    2,651,155.52x = 6,698,783,036,092.88
  5. Step 5: Solve for x
    x = 6,698,783,036,092.88/2,651,155.52
  6. Step 6: Final answer
    x = 2,526,740.88

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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.