Home / 1,877,089.10-2,815,633.51-865,911.86

Finding the Fourth Proportional to 1,877,089.10, 2,815,633.51 and 865,911.86

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Solution

The fourth proportional to 1,877,089.10, 2,815,633.51 and 865,911.86 is: 1,298,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,089.10 : 2,815,633.51 = 865,911.86 : x
  2. Step 2: Convert to fraction form
    1,877,089.10/2,815,633.51 = 865,911.86/x
  3. Step 3: Cross multiply
    1,877,089.10x = 2,815,633.51 × 865,911.86
  4. Step 4: Simplify right side
    1,877,089.10x = 2,438,090,449,722.43
  5. Step 5: Solve for x
    x = 2,438,090,449,722.43/1,877,089.10
  6. Step 6: Final answer
    x = 1,298,867.73

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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.