Home / 2,110,564.94-2,912,582.08-1,143,686.78

Finding the Fourth Proportional to 2,110,564.94, 2,912,582.08 and 1,143,686.78

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Solution

The fourth proportional to 2,110,564.94, 2,912,582.08 and 1,143,686.78 is: 1,578,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,564.94 : 2,912,582.08 = 1,143,686.78 : x
  2. Step 2: Convert to fraction form
    2,110,564.94/2,912,582.08 = 1,143,686.78/x
  3. Step 3: Cross multiply
    2,110,564.94x = 2,912,582.08 × 1,143,686.78
  4. Step 4: Simplify right side
    2,110,564.94x = 3,331,081,620,560.90
  5. Step 5: Solve for x
    x = 3,331,081,620,560.90/2,110,564.94
  6. Step 6: Final answer
    x = 1,578,289.09

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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.