Home / 2,110,739.89-2,912,823.54-1,143,870.18

Finding the Fourth Proportional to 2,110,739.89, 2,912,823.54 and 1,143,870.18

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Solution

The fourth proportional to 2,110,739.89, 2,912,823.54 and 1,143,870.18 is: 1,578,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,739.89 : 2,912,823.54 = 1,143,870.18 : x
  2. Step 2: Convert to fraction form
    2,110,739.89/2,912,823.54 = 1,143,870.18/x
  3. Step 3: Cross multiply
    2,110,739.89x = 2,912,823.54 × 1,143,870.18
  4. Step 4: Simplify right side
    2,110,739.89x = 3,331,891,966,724.57
  5. Step 5: Solve for x
    x = 3,331,891,966,724.57/2,110,739.89
  6. Step 6: Final answer
    x = 1,578,542.19

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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.