Home / 5,284,971.35-7,293,136.42-3,109,655.40

Finding the Fourth Proportional to 5,284,971.35, 7,293,136.42 and 3,109,655.40

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Solution

The fourth proportional to 5,284,971.35, 7,293,136.42 and 3,109,655.40 is: 4,291,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284,971.35 : 7,293,136.42 = 3,109,655.40 : x
  2. Step 2: Convert to fraction form
    5,284,971.35/7,293,136.42 = 3,109,655.40/x
  3. Step 3: Cross multiply
    5,284,971.35x = 7,293,136.42 × 3,109,655.40
  4. Step 4: Simplify right side
    5,284,971.35x = 22,679,141,048,439.42
  5. Step 5: Solve for x
    x = 22,679,141,048,439.42/5,284,971.35
  6. Step 6: Final answer
    x = 4,291,251.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.