Home / 2,072,320.86-3,109,187.11-1,264,322.89

Finding the Fourth Proportional to 2,072,320.86, 3,109,187.11 and 1,264,322.89

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Solution

The fourth proportional to 2,072,320.86, 3,109,187.11 and 1,264,322.89 is: 1,896,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,320.86 : 3,109,187.11 = 1,264,322.89 : x
  2. Step 2: Convert to fraction form
    2,072,320.86/3,109,187.11 = 1,264,322.89/x
  3. Step 3: Cross multiply
    2,072,320.86x = 3,109,187.11 × 1,264,322.89
  4. Step 4: Simplify right side
    2,072,320.86x = 3,931,016,432,465.95
  5. Step 5: Solve for x
    x = 3,931,016,432,465.95/2,072,320.86
  6. Step 6: Final answer
    x = 1,896,914.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.