Home / 4,479,862.12-6,717,924.78-1,405,060.76

Finding the Fourth Proportional to 4,479,862.12, 6,717,924.78 and 1,405,060.76

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Solution

The fourth proportional to 4,479,862.12, 6,717,924.78 and 1,405,060.76 is: 2,107,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,862.12 : 6,717,924.78 = 1,405,060.76 : x
  2. Step 2: Convert to fraction form
    4,479,862.12/6,717,924.78 = 1,405,060.76/x
  3. Step 3: Cross multiply
    4,479,862.12x = 6,717,924.78 × 1,405,060.76
  4. Step 4: Simplify right side
    4,479,862.12x = 9,439,092,497,009.63
  5. Step 5: Solve for x
    x = 9,439,092,497,009.63/4,479,862.12
  6. Step 6: Final answer
    x = 2,107,005.14

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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.