Home / 2,405,817-3,320,027.46-1,438,988.04

Finding the Fourth Proportional to 2,405,817, 3,320,027.46 and 1,438,988.04

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Solution

The fourth proportional to 2,405,817, 3,320,027.46 and 1,438,988.04 is: 1,985,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,817 : 3,320,027.46 = 1,438,988.04 : x
  2. Step 2: Convert to fraction form
    2,405,817/3,320,027.46 = 1,438,988.04/x
  3. Step 3: Cross multiply
    2,405,817x = 3,320,027.46 × 1,438,988.04
  4. Step 4: Simplify right side
    2,405,817x = 4,777,479,807,411.58
  5. Step 5: Solve for x
    x = 4,777,479,807,411.58/2,405,817
  6. Step 6: Final answer
    x = 1,985,803.50

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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.