Home / 5,107,535.80-7,048,716.78-2,815,692.28

Finding the Fourth Proportional to 5,107,535.80, 7,048,716.78 and 2,815,692.28

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Solution

The fourth proportional to 5,107,535.80, 7,048,716.78 and 2,815,692.28 is: 3,885,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,535.80 : 7,048,716.78 = 2,815,692.28 : x
  2. Step 2: Convert to fraction form
    5,107,535.80/7,048,716.78 = 2,815,692.28/x
  3. Step 3: Cross multiply
    5,107,535.80x = 7,048,716.78 × 2,815,692.28
  4. Step 4: Simplify right side
    5,107,535.80x = 19,847,017,421,352.46
  5. Step 5: Solve for x
    x = 19,847,017,421,352.46/5,107,535.80
  6. Step 6: Final answer
    x = 3,885,830.31

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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.