Home / 2,121,346.97-2,927,402.72-1,154,456.50

Finding the Fourth Proportional to 2,121,346.97, 2,927,402.72 and 1,154,456.50

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Solution

The fourth proportional to 2,121,346.97, 2,927,402.72 and 1,154,456.50 is: 1,593,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,346.97 : 2,927,402.72 = 1,154,456.50 : x
  2. Step 2: Convert to fraction form
    2,121,346.97/2,927,402.72 = 1,154,456.50/x
  3. Step 3: Cross multiply
    2,121,346.97x = 2,927,402.72 × 1,154,456.50
  4. Step 4: Simplify right side
    2,121,346.97x = 3,379,559,101,442.80
  5. Step 5: Solve for x
    x = 3,379,559,101,442.80/2,121,346.97
  6. Step 6: Final answer
    x = 1,593,119.44

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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.