Home / 6,120,836.21-9,181,768.30-1,861,041.35

Finding the Fourth Proportional to 6,120,836.21, 9,181,768.30 and 1,861,041.35

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Solution

The fourth proportional to 6,120,836.21, 9,181,768.30 and 1,861,041.35 is: 2,791,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,836.21 : 9,181,768.30 = 1,861,041.35 : x
  2. Step 2: Convert to fraction form
    6,120,836.21/9,181,768.30 = 1,861,041.35/x
  3. Step 3: Cross multiply
    6,120,836.21x = 9,181,768.30 × 1,861,041.35
  4. Step 4: Simplify right side
    6,120,836.21x = 17,087,650,490,721.02
  5. Step 5: Solve for x
    x = 17,087,650,490,721.02/6,120,836.21
  6. Step 6: Final answer
    x = 2,791,718.30

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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.