Home / 1,897,107.86-2,845,666.59-775,176.86

Finding the Fourth Proportional to 1,897,107.86, 2,845,666.59 and 775,176.86

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Solution

The fourth proportional to 1,897,107.86, 2,845,666.59 and 775,176.86 is: 1,162,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,107.86 : 2,845,666.59 = 775,176.86 : x
  2. Step 2: Convert to fraction form
    1,897,107.86/2,845,666.59 = 775,176.86/x
  3. Step 3: Cross multiply
    1,897,107.86x = 2,845,666.59 × 775,176.86
  4. Step 4: Simplify right side
    1,897,107.86x = 2,205,894,891,843.11
  5. Step 5: Solve for x
    x = 2,205,894,891,843.11/1,897,107.86
  6. Step 6: Final answer
    x = 1,162,767.25

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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.