Home / 4,865,920.80-7,293,803.04-2,171,506.56

Finding the Fourth Proportional to 4,865,920.80, 7,293,803.04 and 2,171,506.56

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Solution

The fourth proportional to 4,865,920.80, 7,293,803.04 and 2,171,506.56 is: 3,254,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865,920.80 : 7,293,803.04 = 2,171,506.56 : x
  2. Step 2: Convert to fraction form
    4,865,920.80/7,293,803.04 = 2,171,506.56/x
  3. Step 3: Cross multiply
    4,865,920.80x = 7,293,803.04 × 2,171,506.56
  4. Step 4: Simplify right side
    4,865,920.80x = 15,838,541,148,707.94
  5. Step 5: Solve for x
    x = 15,838,541,148,707.94/4,865,920.80
  6. Step 6: Final answer
    x = 3,254,993.62

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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.