Home / 2,170,712.97-3,258,021.02-1,160,698.25

Finding the Fourth Proportional to 2,170,712.97, 3,258,021.02 and 1,160,698.25

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Solution

The fourth proportional to 2,170,712.97, 3,258,021.02 and 1,160,698.25 is: 1,742,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,712.97 : 3,258,021.02 = 1,160,698.25 : x
  2. Step 2: Convert to fraction form
    2,170,712.97/3,258,021.02 = 1,160,698.25/x
  3. Step 3: Cross multiply
    2,170,712.97x = 3,258,021.02 × 1,160,698.25
  4. Step 4: Simplify right side
    2,170,712.97x = 3,781,579,298,718.78
  5. Step 5: Solve for x
    x = 3,781,579,298,718.78/2,170,712.97
  6. Step 6: Final answer
    x = 1,742,090.89

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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.