Home / 3,118,930.47-4,680,261.95-2,865,121.83

Finding the Fourth Proportional to 3,118,930.47, 4,680,261.95 and 2,865,121.83

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Solution

The fourth proportional to 3,118,930.47, 4,680,261.95 and 2,865,121.83 is: 4,299,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,930.47 : 4,680,261.95 = 2,865,121.83 : x
  2. Step 2: Convert to fraction form
    3,118,930.47/4,680,261.95 = 2,865,121.83/x
  3. Step 3: Cross multiply
    3,118,930.47x = 4,680,261.95 × 2,865,121.83
  4. Step 4: Simplify right side
    3,118,930.47x = 13,409,520,683,063.37
  5. Step 5: Solve for x
    x = 13,409,520,683,063.37/3,118,930.47
  6. Step 6: Final answer
    x = 4,299,397.12

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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.