Home / 3,161,977.32-4,742,977.17-765,823.56

Finding the Fourth Proportional to 3,161,977.32, 4,742,977.17 and 765,823.56

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Solution

The fourth proportional to 3,161,977.32, 4,742,977.17 and 765,823.56 is: 1,148,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,977.32 : 4,742,977.17 = 765,823.56 : x
  2. Step 2: Convert to fraction form
    3,161,977.32/4,742,977.17 = 765,823.56/x
  3. Step 3: Cross multiply
    3,161,977.32x = 4,742,977.17 × 765,823.56
  4. Step 4: Simplify right side
    3,161,977.32x = 3,632,283,661,328.13
  5. Step 5: Solve for x
    x = 3,632,283,661,328.13/3,161,977.32
  6. Step 6: Final answer
    x = 1,148,738.05

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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.