Home / 4,258,377.80-6,389,561.58-1,861,914.44

Finding the Fourth Proportional to 4,258,377.80, 6,389,561.58 and 1,861,914.44

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Solution

The fourth proportional to 4,258,377.80, 6,389,561.58 and 1,861,914.44 is: 2,793,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,377.80 : 6,389,561.58 = 1,861,914.44 : x
  2. Step 2: Convert to fraction form
    4,258,377.80/6,389,561.58 = 1,861,914.44/x
  3. Step 3: Cross multiply
    4,258,377.80x = 6,389,561.58 × 1,861,914.44
  4. Step 4: Simplify right side
    4,258,377.80x = 11,896,816,971,071.21
  5. Step 5: Solve for x
    x = 11,896,816,971,071.21/4,258,377.80
  6. Step 6: Final answer
    x = 2,793,743.89

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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.