Home / 1,998,307.65-2,997,488.82-650,475.96

Finding the Fourth Proportional to 1,998,307.65, 2,997,488.82 and 650,475.96

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Solution

The fourth proportional to 1,998,307.65, 2,997,488.82 and 650,475.96 is: 975,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,307.65 : 2,997,488.82 = 650,475.96 : x
  2. Step 2: Convert to fraction form
    1,998,307.65/2,997,488.82 = 650,475.96/x
  3. Step 3: Cross multiply
    1,998,307.65x = 2,997,488.82 × 650,475.96
  4. Step 4: Simplify right side
    1,998,307.65x = 1,949,794,417,778.77
  5. Step 5: Solve for x
    x = 1,949,794,417,778.77/1,998,307.65
  6. Step 6: Final answer
    x = 975,722.84

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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.