Home / 1,997,621.90-2,993,277.08-1,621,807.82

Finding the Fourth Proportional to 1,997,621.90, 2,993,277.08 and 1,621,807.82

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Solution

The fourth proportional to 1,997,621.90, 2,993,277.08 and 1,621,807.82 is: 2,430,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,621.90 : 2,993,277.08 = 1,621,807.82 : x
  2. Step 2: Convert to fraction form
    1,997,621.90/2,993,277.08 = 1,621,807.82/x
  3. Step 3: Cross multiply
    1,997,621.90x = 2,993,277.08 × 1,621,807.82
  4. Step 4: Simplify right side
    1,997,621.90x = 4,854,520,175,770.77
  5. Step 5: Solve for x
    x = 4,854,520,175,770.77/1,997,621.90
  6. Step 6: Final answer
    x = 2,430,149.66

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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.