Home / 2,148,773.80-3,219,272.70-1,702,431.40

Finding the Fourth Proportional to 2,148,773.80, 3,219,272.70 and 1,702,431.40

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Solution

The fourth proportional to 2,148,773.80, 3,219,272.70 and 1,702,431.40 is: 2,550,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,773.80 : 3,219,272.70 = 1,702,431.40 : x
  2. Step 2: Convert to fraction form
    2,148,773.80/3,219,272.70 = 1,702,431.40/x
  3. Step 3: Cross multiply
    2,148,773.80x = 3,219,272.70 × 1,702,431.40
  4. Step 4: Simplify right side
    2,148,773.80x = 5,480,590,929,642.78
  5. Step 5: Solve for x
    x = 5,480,590,929,642.78/2,148,773.80
  6. Step 6: Final answer
    x = 2,550,566.71

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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.