Home / 2,105,072.73-3,157,998.65-666,117.86

Finding the Fourth Proportional to 2,105,072.73, 3,157,998.65 and 666,117.86

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Solution

The fourth proportional to 2,105,072.73, 3,157,998.65 and 666,117.86 is: 999,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,072.73 : 3,157,998.65 = 666,117.86 : x
  2. Step 2: Convert to fraction form
    2,105,072.73/3,157,998.65 = 666,117.86/x
  3. Step 3: Cross multiply
    2,105,072.73x = 3,157,998.65 × 666,117.86
  4. Step 4: Simplify right side
    2,105,072.73x = 2,103,599,288,496.19
  5. Step 5: Solve for x
    x = 2,103,599,288,496.19/2,105,072.73
  6. Step 6: Final answer
    x = 999,300.05

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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.