Home / 6,191,704.20-9,288,431.10-1,931,428.20

Finding the Fourth Proportional to 6,191,704.20, 9,288,431.10 and 1,931,428.20

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Solution

The fourth proportional to 6,191,704.20, 9,288,431.10 and 1,931,428.20 is: 2,897,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191,704.20 : 9,288,431.10 = 1,931,428.20 : x
  2. Step 2: Convert to fraction form
    6,191,704.20/9,288,431.10 = 1,931,428.20/x
  3. Step 3: Cross multiply
    6,191,704.20x = 9,288,431.10 × 1,931,428.20
  4. Step 4: Simplify right side
    6,191,704.20x = 17,939,937,760,297.02
  5. Step 5: Solve for x
    x = 17,939,937,760,297.02/6,191,704.20
  6. Step 6: Final answer
    x = 2,897,415.18

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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.