Home / 1,917,985.75-2,874,690.77-891,930.96

Finding the Fourth Proportional to 1,917,985.75, 2,874,690.77 and 891,930.96

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Solution

The fourth proportional to 1,917,985.75, 2,874,690.77 and 891,930.96 is: 1,336,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,985.75 : 2,874,690.77 = 891,930.96 : x
  2. Step 2: Convert to fraction form
    1,917,985.75/2,874,690.77 = 891,930.96/x
  3. Step 3: Cross multiply
    1,917,985.75x = 2,874,690.77 × 891,930.96
  4. Step 4: Simplify right side
    1,917,985.75x = 2,564,025,698,189.24
  5. Step 5: Solve for x
    x = 2,564,025,698,189.24/1,917,985.75
  6. Step 6: Final answer
    x = 1,336,832.51

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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.