Home / 5,106,626.32-7,660,201.92-1,320,142

Finding the Fourth Proportional to 5,106,626.32, 7,660,201.92 and 1,320,142

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Solution

The fourth proportional to 5,106,626.32, 7,660,201.92 and 1,320,142 is: 1,980,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,626.32 : 7,660,201.92 = 1,320,142 : x
  2. Step 2: Convert to fraction form
    5,106,626.32/7,660,201.92 = 1,320,142/x
  3. Step 3: Cross multiply
    5,106,626.32x = 7,660,201.92 × 1,320,142
  4. Step 4: Simplify right side
    5,106,626.32x = 10,112,554,283,072.64
  5. Step 5: Solve for x
    x = 10,112,554,283,072.64/5,106,626.32
  6. Step 6: Final answer
    x = 1,980,280.84

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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.