Home / 3,390,548.88-4,679,219.76-1,940,699.16

Finding the Fourth Proportional to 3,390,548.88, 4,679,219.76 and 1,940,699.16

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Solution

The fourth proportional to 3,390,548.88, 4,679,219.76 and 1,940,699.16 is: 2,678,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,548.88 : 4,679,219.76 = 1,940,699.16 : x
  2. Step 2: Convert to fraction form
    3,390,548.88/4,679,219.76 = 1,940,699.16/x
  3. Step 3: Cross multiply
    3,390,548.88x = 4,679,219.76 × 1,940,699.16
  4. Step 4: Simplify right side
    3,390,548.88x = 9,080,957,857,687.40
  5. Step 5: Solve for x
    x = 9,080,957,857,687.40/3,390,548.88
  6. Step 6: Final answer
    x = 2,678,314.98

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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.