Home / 2,121,140.78-2,927,235.34-1,154,332.34

Finding the Fourth Proportional to 2,121,140.78, 2,927,235.34 and 1,154,332.34

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Solution

The fourth proportional to 2,121,140.78, 2,927,235.34 and 1,154,332.34 is: 1,593,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,140.78 : 2,927,235.34 = 1,154,332.34 : x
  2. Step 2: Convert to fraction form
    2,121,140.78/2,927,235.34 = 1,154,332.34/x
  3. Step 3: Cross multiply
    2,121,140.78x = 2,927,235.34 × 1,154,332.34
  4. Step 4: Simplify right side
    2,121,140.78x = 3,379,002,419,752.90
  5. Step 5: Solve for x
    x = 3,379,002,419,752.90/2,121,140.78
  6. Step 6: Final answer
    x = 1,593,011.86

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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.