Home / 2,151,889.91-2,969,699.86-1,234,377.80

Finding the Fourth Proportional to 2,151,889.91, 2,969,699.86 and 1,234,377.80

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Solution

The fourth proportional to 2,151,889.91, 2,969,699.86 and 1,234,377.80 is: 1,703,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,889.91 : 2,969,699.86 = 1,234,377.80 : x
  2. Step 2: Convert to fraction form
    2,151,889.91/2,969,699.86 = 1,234,377.80/x
  3. Step 3: Cross multiply
    2,151,889.91x = 2,969,699.86 × 1,234,377.80
  4. Step 4: Simplify right side
    2,151,889.91x = 3,665,731,577,677.96
  5. Step 5: Solve for x
    x = 3,665,731,577,677.96/2,151,889.91
  6. Step 6: Final answer
    x = 1,703,494.01

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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.