Home / 3,418,315-4,715,849.34-1,967,663.32

Finding the Fourth Proportional to 3,418,315, 4,715,849.34 and 1,967,663.32

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Solution

The fourth proportional to 3,418,315, 4,715,849.34 and 1,967,663.32 is: 2,714,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,315 : 4,715,849.34 = 1,967,663.32 : x
  2. Step 2: Convert to fraction form
    3,418,315/4,715,849.34 = 1,967,663.32/x
  3. Step 3: Cross multiply
    3,418,315x = 4,715,849.34 × 1,967,663.32
  4. Step 4: Simplify right side
    3,418,315x = 9,279,203,768,964.21
  5. Step 5: Solve for x
    x = 9,279,203,768,964.21/3,418,315
  6. Step 6: Final answer
    x = 2,714,554.91

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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.