Home / 4,490,398.11-6,739,855.49-2,779,365.68

Finding the Fourth Proportional to 4,490,398.11, 6,739,855.49 and 2,779,365.68

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Solution

The fourth proportional to 4,490,398.11, 6,739,855.49 and 2,779,365.68 is: 4,171,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490,398.11 : 6,739,855.49 = 2,779,365.68 : x
  2. Step 2: Convert to fraction form
    4,490,398.11/6,739,855.49 = 2,779,365.68/x
  3. Step 3: Cross multiply
    4,490,398.11x = 6,739,855.49 × 2,779,365.68
  4. Step 4: Simplify right side
    4,490,398.11x = 18,732,523,040,018.39
  5. Step 5: Solve for x
    x = 18,732,523,040,018.39/4,490,398.11
  6. Step 6: Final answer
    x = 4,171,684.24

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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.