Home / 5,388,088.21-8,075,114.78-2,189,474.96

Finding the Fourth Proportional to 5,388,088.21, 8,075,114.78 and 2,189,474.96

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Solution

The fourth proportional to 5,388,088.21, 8,075,114.78 and 2,189,474.96 is: 3,281,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,088.21 : 8,075,114.78 = 2,189,474.96 : x
  2. Step 2: Convert to fraction form
    5,388,088.21/8,075,114.78 = 2,189,474.96/x
  3. Step 3: Cross multiply
    5,388,088.21x = 8,075,114.78 × 2,189,474.96
  4. Step 4: Simplify right side
    5,388,088.21x = 17,680,261,558,612.96
  5. Step 5: Solve for x
    x = 17,680,261,558,612.96/5,388,088.21
  6. Step 6: Final answer
    x = 3,281,360.82

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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.