Home / 2,761,340.80-4,139,548.80-1,078,052.80

Finding the Fourth Proportional to 2,761,340.80, 4,139,548.80 and 1,078,052.80

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Solution

The fourth proportional to 2,761,340.80, 4,139,548.80 and 1,078,052.80 is: 1,616,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,340.80 : 4,139,548.80 = 1,078,052.80 : x
  2. Step 2: Convert to fraction form
    2,761,340.80/4,139,548.80 = 1,078,052.80/x
  3. Step 3: Cross multiply
    2,761,340.80x = 4,139,548.80 × 1,078,052.80
  4. Step 4: Simplify right side
    2,761,340.80x = 4,462,652,174,576.64
  5. Step 5: Solve for x
    x = 4,462,652,174,576.64/2,761,340.80
  6. Step 6: Final answer
    x = 1,616,117.86

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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.