Home / 3,109,329.56-4,664,621.28-1,312,214.96

Finding the Fourth Proportional to 3,109,329.56, 4,664,621.28 and 1,312,214.96

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Solution

The fourth proportional to 3,109,329.56, 4,664,621.28 and 1,312,214.96 is: 1,968,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,329.56 : 4,664,621.28 = 1,312,214.96 : x
  2. Step 2: Convert to fraction form
    3,109,329.56/4,664,621.28 = 1,312,214.96/x
  3. Step 3: Cross multiply
    3,109,329.56x = 4,664,621.28 × 1,312,214.96
  4. Step 4: Simplify right side
    3,109,329.56x = 6,120,985,826,350.35
  5. Step 5: Solve for x
    x = 6,120,985,826,350.35/3,109,329.56
  6. Step 6: Final answer
    x = 1,968,587.02

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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.