Home / 3,112,980.16-4,296,580.56-1,966,331.20

Finding the Fourth Proportional to 3,112,980.16, 4,296,580.56 and 1,966,331.20

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Solution

The fourth proportional to 3,112,980.16, 4,296,580.56 and 1,966,331.20 is: 2,713,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,980.16 : 4,296,580.56 = 1,966,331.20 : x
  2. Step 2: Convert to fraction form
    3,112,980.16/4,296,580.56 = 1,966,331.20/x
  3. Step 3: Cross multiply
    3,112,980.16x = 4,296,580.56 × 1,966,331.20
  4. Step 4: Simplify right side
    3,112,980.16x = 8,448,500,408,441.47
  5. Step 5: Solve for x
    x = 8,448,500,408,441.47/3,112,980.16
  6. Step 6: Final answer
    x = 2,713,958.96

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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.