Home / 1,980,434.48-2,971,033.62-843,175.84

Finding the Fourth Proportional to 1,980,434.48, 2,971,033.62 and 843,175.84

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Solution

The fourth proportional to 1,980,434.48, 2,971,033.62 and 843,175.84 is: 1,264,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,434.48 : 2,971,033.62 = 843,175.84 : x
  2. Step 2: Convert to fraction form
    1,980,434.48/2,971,033.62 = 843,175.84/x
  3. Step 3: Cross multiply
    1,980,434.48x = 2,971,033.62 × 843,175.84
  4. Step 4: Simplify right side
    1,980,434.48x = 2,505,103,768,211.74
  5. Step 5: Solve for x
    x = 2,505,103,768,211.74/1,980,434.48
  6. Step 6: Final answer
    x = 1,264,926.36

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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.