Home / 6,191,539.20-9,286,871.40-2,147,047.20

Finding the Fourth Proportional to 6,191,539.20, 9,286,871.40 and 2,147,047.20

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Solution

The fourth proportional to 6,191,539.20, 9,286,871.40 and 2,147,047.20 is: 3,220,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,539.20 : 9,286,871.40 = 2,147,047.20 : x
  2. Step 2: Convert to fraction form
    6,191,539.20/9,286,871.40 = 2,147,047.20/x
  3. Step 3: Cross multiply
    6,191,539.20x = 9,286,871.40 × 2,147,047.20
  4. Step 4: Simplify right side
    6,191,539.20x = 19,939,351,236,130.08
  5. Step 5: Solve for x
    x = 19,939,351,236,130.08/6,191,539.20
  6. Step 6: Final answer
    x = 3,220,419.12

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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.