Home / 6,421,357.10-9,630,561.69-3,828,395.54

Finding the Fourth Proportional to 6,421,357.10, 9,630,561.69 and 3,828,395.54

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Solution

The fourth proportional to 6,421,357.10, 9,630,561.69 and 3,828,395.54 is: 5,741,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,357.10 : 9,630,561.69 = 3,828,395.54 : x
  2. Step 2: Convert to fraction form
    6,421,357.10/9,630,561.69 = 3,828,395.54/x
  3. Step 3: Cross multiply
    6,421,357.10x = 9,630,561.69 × 3,828,395.54
  4. Step 4: Simplify right side
    6,421,357.10x = 36,869,599,421,690.86
  5. Step 5: Solve for x
    x = 36,869,599,421,690.86/6,421,357.10
  6. Step 6: Final answer
    x = 5,741,714.54

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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.