Home / 2,121,119.86-2,927,211.30-1,203,387.67

Finding the Fourth Proportional to 2,121,119.86, 2,927,211.30 and 1,203,387.67

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Solution

The fourth proportional to 2,121,119.86, 2,927,211.30 and 1,203,387.67 is: 1,660,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,119.86 : 2,927,211.30 = 1,203,387.67 : x
  2. Step 2: Convert to fraction form
    2,121,119.86/2,927,211.30 = 1,203,387.67/x
  3. Step 3: Cross multiply
    2,121,119.86x = 2,927,211.30 × 1,203,387.67
  4. Step 4: Simplify right side
    2,121,119.86x = 3,522,569,965,251.68
  5. Step 5: Solve for x
    x = 3,522,569,965,251.68/2,121,119.86
  6. Step 6: Final answer
    x = 1,660,712.36

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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.