Home / 2,140,323.60-3,210,816.88-720,268.80

Finding the Fourth Proportional to 2,140,323.60, 3,210,816.88 and 720,268.80

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Solution

The fourth proportional to 2,140,323.60, 3,210,816.88 and 720,268.80 is: 1,080,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,323.60 : 3,210,816.88 = 720,268.80 : x
  2. Step 2: Convert to fraction form
    2,140,323.60/3,210,816.88 = 720,268.80/x
  3. Step 3: Cross multiply
    2,140,323.60x = 3,210,816.88 × 720,268.80
  4. Step 4: Simplify right side
    2,140,323.60x = 2,312,651,221,177.34
  5. Step 5: Solve for x
    x = 2,312,651,221,177.34/2,140,323.60
  6. Step 6: Final answer
    x = 1,080,514.75

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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.