Home / 2,172,810.80-3,259,216.20-1,364,495.60

Finding the Fourth Proportional to 2,172,810.80, 3,259,216.20 and 1,364,495.60

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Solution

The fourth proportional to 2,172,810.80, 3,259,216.20 and 1,364,495.60 is: 2,046,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,810.80 : 3,259,216.20 = 1,364,495.60 : x
  2. Step 2: Convert to fraction form
    2,172,810.80/3,259,216.20 = 1,364,495.60/x
  3. Step 3: Cross multiply
    2,172,810.80x = 3,259,216.20 × 1,364,495.60
  4. Step 4: Simplify right side
    2,172,810.80x = 4,447,186,164,348.72
  5. Step 5: Solve for x
    x = 4,447,186,164,348.72/2,172,810.80
  6. Step 6: Final answer
    x = 2,046,743.40

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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.