Home / 2,075,980.80-3,113,679.60-656,180.40

Finding the Fourth Proportional to 2,075,980.80, 3,113,679.60 and 656,180.40

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Solution

The fourth proportional to 2,075,980.80, 3,113,679.60 and 656,180.40 is: 984,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,980.80 : 3,113,679.60 = 656,180.40 : x
  2. Step 2: Convert to fraction form
    2,075,980.80/3,113,679.60 = 656,180.40/x
  3. Step 3: Cross multiply
    2,075,980.80x = 3,113,679.60 × 656,180.40
  4. Step 4: Simplify right side
    2,075,980.80x = 2,043,135,525,399.84
  5. Step 5: Solve for x
    x = 2,043,135,525,399.84/2,075,980.80
  6. Step 6: Final answer
    x = 984,178.43

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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.