Home / 1,639,923.22-2,460,819.03-1,309,598.74

Finding the Fourth Proportional to 1,639,923.22, 2,460,819.03 and 1,309,598.74

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Solution

The fourth proportional to 1,639,923.22, 2,460,819.03 and 1,309,598.74 is: 1,965,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,923.22 : 2,460,819.03 = 1,309,598.74 : x
  2. Step 2: Convert to fraction form
    1,639,923.22/2,460,819.03 = 1,309,598.74/x
  3. Step 3: Cross multiply
    1,639,923.22x = 2,460,819.03 × 1,309,598.74
  4. Step 4: Simplify right side
    1,639,923.22x = 3,222,685,501,056.02
  5. Step 5: Solve for x
    x = 3,222,685,501,056.02/1,639,923.22
  6. Step 6: Final answer
    x = 1,965,144.14

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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.