Home / 5,425,853.20-8,140,075.80-1,639,373.20

Finding the Fourth Proportional to 5,425,853.20, 8,140,075.80 and 1,639,373.20

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Solution

The fourth proportional to 5,425,853.20, 8,140,075.80 and 1,639,373.20 is: 2,459,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,853.20 : 8,140,075.80 = 1,639,373.20 : x
  2. Step 2: Convert to fraction form
    5,425,853.20/8,140,075.80 = 1,639,373.20/x
  3. Step 3: Cross multiply
    5,425,853.20x = 8,140,075.80 × 1,639,373.20
  4. Step 4: Simplify right side
    5,425,853.20x = 13,344,622,112,488.56
  5. Step 5: Solve for x
    x = 13,344,622,112,488.56/5,425,853.20
  6. Step 6: Final answer
    x = 2,459,451.37

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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.