Home / 1,877,082.58-2,815,623.78-865,905.34

Finding the Fourth Proportional to 1,877,082.58, 2,815,623.78 and 865,905.34

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Solution

The fourth proportional to 1,877,082.58, 2,815,623.78 and 865,905.34 is: 1,298,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,082.58 : 2,815,623.78 = 865,905.34 : x
  2. Step 2: Convert to fraction form
    1,877,082.58/2,815,623.78 = 865,905.34/x
  3. Step 3: Cross multiply
    1,877,082.58x = 2,815,623.78 × 865,905.34
  4. Step 4: Simplify right side
    1,877,082.58x = 2,438,063,666,532.99
  5. Step 5: Solve for x
    x = 2,438,063,666,532.99/1,877,082.58
  6. Step 6: Final answer
    x = 1,298,857.97

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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.