Home / 2,116,376.84-3,174,685.10-677,186.76

Finding the Fourth Proportional to 2,116,376.84, 3,174,685.10 and 677,186.76

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Solution

The fourth proportional to 2,116,376.84, 3,174,685.10 and 677,186.76 is: 1,015,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,376.84 : 3,174,685.10 = 677,186.76 : x
  2. Step 2: Convert to fraction form
    2,116,376.84/3,174,685.10 = 677,186.76/x
  3. Step 3: Cross multiply
    2,116,376.84x = 3,174,685.10 × 677,186.76
  4. Step 4: Simplify right side
    2,116,376.84x = 2,149,854,716,889.28
  5. Step 5: Solve for x
    x = 2,149,854,716,889.28/2,116,376.84
  6. Step 6: Final answer
    x = 1,015,818.49

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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.