Home / 2,646,500.76-3,970,079.22-753,389.82

Finding the Fourth Proportional to 2,646,500.76, 3,970,079.22 and 753,389.82

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Solution

The fourth proportional to 2,646,500.76, 3,970,079.22 and 753,389.82 is: 1,130,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,500.76 : 3,970,079.22 = 753,389.82 : x
  2. Step 2: Convert to fraction form
    2,646,500.76/3,970,079.22 = 753,389.82/x
  3. Step 3: Cross multiply
    2,646,500.76x = 3,970,079.22 × 753,389.82
  4. Step 4: Simplify right side
    2,646,500.76x = 2,991,017,268,941.54
  5. Step 5: Solve for x
    x = 2,991,017,268,941.54/2,646,500.76
  6. Step 6: Final answer
    x = 1,130,178.13

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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.