Home / 2,010,653.28-2,775,348.36-1,287,449.64

Finding the Fourth Proportional to 2,010,653.28, 2,775,348.36 and 1,287,449.64

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Solution

The fourth proportional to 2,010,653.28, 2,775,348.36 and 1,287,449.64 is: 1,777,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,653.28 : 2,775,348.36 = 1,287,449.64 : x
  2. Step 2: Convert to fraction form
    2,010,653.28/2,775,348.36 = 1,287,449.64/x
  3. Step 3: Cross multiply
    2,010,653.28x = 2,775,348.36 × 1,287,449.64
  4. Step 4: Simplify right side
    2,010,653.28x = 3,573,121,246,956.59
  5. Step 5: Solve for x
    x = 3,573,121,246,956.59/2,010,653.28
  6. Step 6: Final answer
    x = 1,777,094.68

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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.