Home / 2,565,349.65-3,845,486.48-1,215,139.05

Finding the Fourth Proportional to 2,565,349.65, 3,845,486.48 and 1,215,139.05

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Solution

The fourth proportional to 2,565,349.65, 3,845,486.48 and 1,215,139.05 is: 1,821,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,349.65 : 3,845,486.48 = 1,215,139.05 : x
  2. Step 2: Convert to fraction form
    2,565,349.65/3,845,486.48 = 1,215,139.05/x
  3. Step 3: Cross multiply
    2,565,349.65x = 3,845,486.48 × 1,215,139.05
  4. Step 4: Simplify right side
    2,565,349.65x = 4,672,800,782,019.35
  5. Step 5: Solve for x
    x = 4,672,800,782,019.35/2,565,349.65
  6. Step 6: Final answer
    x = 1,821,506.39

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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.