Home / 3,155,571.36-4,356,788.40-1,866,824.64

Finding the Fourth Proportional to 3,155,571.36, 4,356,788.40 and 1,866,824.64

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Solution

The fourth proportional to 3,155,571.36, 4,356,788.40 and 1,866,824.64 is: 2,577,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,571.36 : 4,356,788.40 = 1,866,824.64 : x
  2. Step 2: Convert to fraction form
    3,155,571.36/4,356,788.40 = 1,866,824.64/x
  3. Step 3: Cross multiply
    3,155,571.36x = 4,356,788.40 × 1,866,824.64
  4. Step 4: Simplify right side
    3,155,571.36x = 8,133,359,936,386.18
  5. Step 5: Solve for x
    x = 8,133,359,936,386.18/3,155,571.36
  6. Step 6: Final answer
    x = 2,577,460.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.