Home / 5,388,510.12-8,075,766.72-2,189,914.08

Finding the Fourth Proportional to 5,388,510.12, 8,075,766.72 and 2,189,914.08

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Solution

The fourth proportional to 5,388,510.12, 8,075,766.72 and 2,189,914.08 is: 3,282,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,510.12 : 8,075,766.72 = 2,189,914.08 : x
  2. Step 2: Convert to fraction form
    5,388,510.12/8,075,766.72 = 2,189,914.08/x
  3. Step 3: Cross multiply
    5,388,510.12x = 8,075,766.72 × 2,189,914.08
  4. Step 4: Simplify right side
    5,388,510.12x = 17,685,235,246,923.42
  5. Step 5: Solve for x
    x = 17,685,235,246,923.42/5,388,510.12
  6. Step 6: Final answer
    x = 3,282,026.92

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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.