Home / 2,309,778.20-3,460,730.70-1,971,230.60

Finding the Fourth Proportional to 2,309,778.20, 3,460,730.70 and 1,971,230.60

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Solution

The fourth proportional to 2,309,778.20, 3,460,730.70 and 1,971,230.60 is: 2,953,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,778.20 : 3,460,730.70 = 1,971,230.60 : x
  2. Step 2: Convert to fraction form
    2,309,778.20/3,460,730.70 = 1,971,230.60/x
  3. Step 3: Cross multiply
    2,309,778.20x = 3,460,730.70 × 1,971,230.60
  4. Step 4: Simplify right side
    2,309,778.20x = 6,821,898,254,199.42
  5. Step 5: Solve for x
    x = 6,821,898,254,199.42/2,309,778.20
  6. Step 6: Final answer
    x = 2,953,486.29

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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.