Home / 3,879,975.84-5,353,818.12-2,203,501.92

Finding the Fourth Proportional to 3,879,975.84, 5,353,818.12 and 2,203,501.92

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Solution

The fourth proportional to 3,879,975.84, 5,353,818.12 and 2,203,501.92 is: 3,040,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,975.84 : 5,353,818.12 = 2,203,501.92 : x
  2. Step 2: Convert to fraction form
    3,879,975.84/5,353,818.12 = 2,203,501.92/x
  3. Step 3: Cross multiply
    3,879,975.84x = 5,353,818.12 × 2,203,501.92
  4. Step 4: Simplify right side
    3,879,975.84x = 11,797,148,506,750.79
  5. Step 5: Solve for x
    x = 11,797,148,506,750.79/3,879,975.84
  6. Step 6: Final answer
    x = 3,040,521.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.