Home / 1,877,211.42-2,816,654.25-865,789.50

Finding the Fourth Proportional to 1,877,211.42, 2,816,654.25 and 865,789.50

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Solution

The fourth proportional to 1,877,211.42, 2,816,654.25 and 865,789.50 is: 1,299,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,211.42 : 2,816,654.25 = 865,789.50 : x
  2. Step 2: Convert to fraction form
    1,877,211.42/2,816,654.25 = 865,789.50/x
  3. Step 3: Cross multiply
    1,877,211.42x = 2,816,654.25 × 865,789.50
  4. Step 4: Simplify right side
    1,877,211.42x = 2,438,629,674,780.38
  5. Step 5: Solve for x
    x = 2,438,629,674,780.38/1,877,211.42
  6. Step 6: Final answer
    x = 1,299,070.34

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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.