Home / 2,816,987.60-3,887,311.56-1,729,038.80

Finding the Fourth Proportional to 2,816,987.60, 3,887,311.56 and 1,729,038.80

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Solution

The fourth proportional to 2,816,987.60, 3,887,311.56 and 1,729,038.80 is: 2,385,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,987.60 : 3,887,311.56 = 1,729,038.80 : x
  2. Step 2: Convert to fraction form
    2,816,987.60/3,887,311.56 = 1,729,038.80/x
  3. Step 3: Cross multiply
    2,816,987.60x = 3,887,311.56 × 1,729,038.80
  4. Step 4: Simplify right side
    2,816,987.60x = 6,721,312,514,928.53
  5. Step 5: Solve for x
    x = 6,721,312,514,928.53/2,816,987.60
  6. Step 6: Final answer
    x = 2,385,992.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.