Home / 2,378,816.61-3,282,770.21-1,291,088.22

Finding the Fourth Proportional to 2,378,816.61, 3,282,770.21 and 1,291,088.22

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Solution

The fourth proportional to 2,378,816.61, 3,282,770.21 and 1,291,088.22 is: 1,781,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,816.61 : 3,282,770.21 = 1,291,088.22 : x
  2. Step 2: Convert to fraction form
    2,378,816.61/3,282,770.21 = 1,291,088.22/x
  3. Step 3: Cross multiply
    2,378,816.61x = 3,282,770.21 × 1,291,088.22
  4. Step 4: Simplify right side
    2,378,816.61x = 4,238,345,940,642.49
  5. Step 5: Solve for x
    x = 4,238,345,940,642.49/2,378,816.61
  6. Step 6: Final answer
    x = 1,781,703.53

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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.