Home / 6,421,803.72-9,631,231.52-3,828,842.19

Finding the Fourth Proportional to 6,421,803.72, 9,631,231.52 and 3,828,842.19

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Solution

The fourth proportional to 6,421,803.72, 9,631,231.52 and 3,828,842.19 is: 5,742,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,803.72 : 9,631,231.52 = 3,828,842.19 : x
  2. Step 2: Convert to fraction form
    6,421,803.72/9,631,231.52 = 3,828,842.19/x
  3. Step 3: Cross multiply
    6,421,803.72x = 9,631,231.52 × 3,828,842.19
  4. Step 4: Simplify right side
    6,421,803.72x = 36,876,465,585,433.83
  5. Step 5: Solve for x
    x = 36,876,465,585,433.83/6,421,803.72
  6. Step 6: Final answer
    x = 5,742,384.41

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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.