Home / 6,421,354.59-9,630,557.94-3,828,393.05

Finding the Fourth Proportional to 6,421,354.59, 9,630,557.94 and 3,828,393.05

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Solution

The fourth proportional to 6,421,354.59, 9,630,557.94 and 3,828,393.05 is: 5,741,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,354.59 : 9,630,557.94 = 3,828,393.05 : x
  2. Step 2: Convert to fraction form
    6,421,354.59/9,630,557.94 = 3,828,393.05/x
  3. Step 3: Cross multiply
    6,421,354.59x = 9,630,557.94 × 3,828,393.05
  4. Step 4: Simplify right side
    6,421,354.59x = 36,869,561,036,965.52
  5. Step 5: Solve for x
    x = 36,869,561,036,965.52/6,421,354.59
  6. Step 6: Final answer
    x = 5,741,710.81

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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.