Home / 2,815,015.22-3,884,722.75-1,525,855.65

Finding the Fourth Proportional to 2,815,015.22, 3,884,722.75 and 1,525,855.65

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Solution

The fourth proportional to 2,815,015.22, 3,884,722.75 and 1,525,855.65 is: 2,105,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,015.22 : 3,884,722.75 = 1,525,855.65 : x
  2. Step 2: Convert to fraction form
    2,815,015.22/3,884,722.75 = 1,525,855.65/x
  3. Step 3: Cross multiply
    2,815,015.22x = 3,884,722.75 × 1,525,855.65
  4. Step 4: Simplify right side
    2,815,015.22x = 5,927,526,156,771.04
  5. Step 5: Solve for x
    x = 5,927,526,156,771.04/2,815,015.22
  6. Step 6: Final answer
    x = 2,105,681.74

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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.