Home / 2,091,089.52-3,136,821.39-811,666.98

Finding the Fourth Proportional to 2,091,089.52, 3,136,821.39 and 811,666.98

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Solution

The fourth proportional to 2,091,089.52, 3,136,821.39 and 811,666.98 is: 1,217,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,089.52 : 3,136,821.39 = 811,666.98 : x
  2. Step 2: Convert to fraction form
    2,091,089.52/3,136,821.39 = 811,666.98/x
  3. Step 3: Cross multiply
    2,091,089.52x = 3,136,821.39 × 811,666.98
  4. Step 4: Simplify right side
    2,091,089.52x = 2,546,054,344,420.70
  5. Step 5: Solve for x
    x = 2,546,054,344,420.70/2,091,089.52
  6. Step 6: Final answer
    x = 1,217,573.10

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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.