Home / 2,929,504.64-4,042,062.54-1,768,139.28

Finding the Fourth Proportional to 2,929,504.64, 4,042,062.54 and 1,768,139.28

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Solution

The fourth proportional to 2,929,504.64, 4,042,062.54 and 1,768,139.28 is: 2,439,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,504.64 : 4,042,062.54 = 1,768,139.28 : x
  2. Step 2: Convert to fraction form
    2,929,504.64/4,042,062.54 = 1,768,139.28/x
  3. Step 3: Cross multiply
    2,929,504.64x = 4,042,062.54 × 1,768,139.28
  4. Step 4: Simplify right side
    2,929,504.64x = 7,146,929,549,190.57
  5. Step 5: Solve for x
    x = 7,146,929,549,190.57/2,929,504.64
  6. Step 6: Final answer
    x = 2,439,637.56

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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.