Home / 3,317,811.91-4,578,035.52-1,921,877.14

Finding the Fourth Proportional to 3,317,811.91, 4,578,035.52 and 1,921,877.14

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Solution

The fourth proportional to 3,317,811.91, 4,578,035.52 and 1,921,877.14 is: 2,651,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,811.91 : 4,578,035.52 = 1,921,877.14 : x
  2. Step 2: Convert to fraction form
    3,317,811.91/4,578,035.52 = 1,921,877.14/x
  3. Step 3: Cross multiply
    3,317,811.91x = 4,578,035.52 × 1,921,877.14
  4. Step 4: Simplify right side
    3,317,811.91x = 8,798,421,811,996.01
  5. Step 5: Solve for x
    x = 8,798,421,811,996.01/3,317,811.91
  6. Step 6: Final answer
    x = 2,651,874.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.