Home / 2,165,571.78-3,254,246.28-1,155,407.40

Finding the Fourth Proportional to 2,165,571.78, 3,254,246.28 and 1,155,407.40

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Solution

The fourth proportional to 2,165,571.78, 3,254,246.28 and 1,155,407.40 is: 1,736,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,571.78 : 3,254,246.28 = 1,155,407.40 : x
  2. Step 2: Convert to fraction form
    2,165,571.78/3,254,246.28 = 1,155,407.40/x
  3. Step 3: Cross multiply
    2,165,571.78x = 3,254,246.28 × 1,155,407.40
  4. Step 4: Simplify right side
    2,165,571.78x = 3,759,980,233,334.47
  5. Step 5: Solve for x
    x = 3,759,980,233,334.47/2,165,571.78
  6. Step 6: Final answer
    x = 1,736,252.88

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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.