Home / 1,980,633.38-2,971,151.40-683,616.98

Finding the Fourth Proportional to 1,980,633.38, 2,971,151.40 and 683,616.98

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Solution

The fourth proportional to 1,980,633.38, 2,971,151.40 and 683,616.98 is: 1,025,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,633.38 : 2,971,151.40 = 683,616.98 : x
  2. Step 2: Convert to fraction form
    1,980,633.38/2,971,151.40 = 683,616.98/x
  3. Step 3: Cross multiply
    1,980,633.38x = 2,971,151.40 × 683,616.98
  4. Step 4: Simplify right side
    1,980,633.38x = 2,031,129,547,190.77
  5. Step 5: Solve for x
    x = 2,031,129,547,190.77/1,980,633.38
  6. Step 6: Final answer
    x = 1,025,494.96

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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.