Home / 2,161,363.07-2,982,966.17-2,090,386.72

Finding the Fourth Proportional to 2,161,363.07, 2,982,966.17 and 2,090,386.72

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Solution

The fourth proportional to 2,161,363.07, 2,982,966.17 and 2,090,386.72 is: 2,885,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,363.07 : 2,982,966.17 = 2,090,386.72 : x
  2. Step 2: Convert to fraction form
    2,161,363.07/2,982,966.17 = 2,090,386.72/x
  3. Step 3: Cross multiply
    2,161,363.07x = 2,982,966.17 × 2,090,386.72
  4. Step 4: Simplify right side
    2,161,363.07x = 6,235,552,850,067.91
  5. Step 5: Solve for x
    x = 6,235,552,850,067.91/2,161,363.07
  6. Step 6: Final answer
    x = 2,885,009.43

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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.