Home / 1,997,817.66-2,997,175.23-577,984.05

Finding the Fourth Proportional to 1,997,817.66, 2,997,175.23 and 577,984.05

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Solution

The fourth proportional to 1,997,817.66, 2,997,175.23 and 577,984.05 is: 867,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,817.66 : 2,997,175.23 = 577,984.05 : x
  2. Step 2: Convert to fraction form
    1,997,817.66/2,997,175.23 = 577,984.05/x
  3. Step 3: Cross multiply
    1,997,817.66x = 2,997,175.23 × 577,984.05
  4. Step 4: Simplify right side
    1,997,817.66x = 1,732,319,477,995.08
  5. Step 5: Solve for x
    x = 1,732,319,477,995.08/1,997,817.66
  6. Step 6: Final answer
    x = 867,105.90

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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.