Home / 6,381,041.10-9,572,436.45-2,120,765.10

Finding the Fourth Proportional to 6,381,041.10, 9,572,436.45 and 2,120,765.10

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Solution

The fourth proportional to 6,381,041.10, 9,572,436.45 and 2,120,765.10 is: 3,181,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,041.10 : 9,572,436.45 = 2,120,765.10 : x
  2. Step 2: Convert to fraction form
    6,381,041.10/9,572,436.45 = 2,120,765.10/x
  3. Step 3: Cross multiply
    6,381,041.10x = 9,572,436.45 × 2,120,765.10
  4. Step 4: Simplify right side
    6,381,041.10x = 20,300,889,145,127.89
  5. Step 5: Solve for x
    x = 20,300,889,145,127.89/6,381,041.10
  6. Step 6: Final answer
    x = 3,181,438.39

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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.