Home / 2,853,005.76-4,279,465.44-694,051.20

Finding the Fourth Proportional to 2,853,005.76, 4,279,465.44 and 694,051.20

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Solution

The fourth proportional to 2,853,005.76, 4,279,465.44 and 694,051.20 is: 1,041,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,005.76 : 4,279,465.44 = 694,051.20 : x
  2. Step 2: Convert to fraction form
    2,853,005.76/4,279,465.44 = 694,051.20/x
  3. Step 3: Cross multiply
    2,853,005.76x = 4,279,465.44 × 694,051.20
  4. Step 4: Simplify right side
    2,853,005.76x = 2,970,168,123,990.53
  5. Step 5: Solve for x
    x = 2,970,168,123,990.53/2,853,005.76
  6. Step 6: Final answer
    x = 1,041,066.29

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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.