Home / 2,111,442.78-2,913,794.92-1,144,570.08

Finding the Fourth Proportional to 2,111,442.78, 2,913,794.92 and 1,144,570.08

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Solution

The fourth proportional to 2,111,442.78, 2,913,794.92 and 1,144,570.08 is: 1,579,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,442.78 : 2,913,794.92 = 1,144,570.08 : x
  2. Step 2: Convert to fraction form
    2,111,442.78/2,913,794.92 = 1,144,570.08/x
  3. Step 3: Cross multiply
    2,111,442.78x = 2,913,794.92 × 1,144,570.08
  4. Step 4: Simplify right side
    2,111,442.78x = 3,335,042,484,687.99
  5. Step 5: Solve for x
    x = 3,335,042,484,687.99/2,111,442.78
  6. Step 6: Final answer
    x = 1,579,508.82

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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.