Home / 6,390,079.78-8,818,302.38-3,777,525.42

Finding the Fourth Proportional to 6,390,079.78, 8,818,302.38 and 3,777,525.42

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Solution

The fourth proportional to 6,390,079.78, 8,818,302.38 and 3,777,525.42 is: 5,212,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,079.78 : 8,818,302.38 = 3,777,525.42 : x
  2. Step 2: Convert to fraction form
    6,390,079.78/8,818,302.38 = 3,777,525.42/x
  3. Step 3: Cross multiply
    6,390,079.78x = 8,818,302.38 × 3,777,525.42
  4. Step 4: Simplify right side
    6,390,079.78x = 33,311,361,382,808.87
  5. Step 5: Solve for x
    x = 33,311,361,382,808.87/6,390,079.78
  6. Step 6: Final answer
    x = 5,212,980.52

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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.