Home / 5,207,705.85-7,186,317.03-2,884,460.64

Finding the Fourth Proportional to 5,207,705.85, 7,186,317.03 and 2,884,460.64

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Solution

The fourth proportional to 5,207,705.85, 7,186,317.03 and 2,884,460.64 is: 3,980,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,705.85 : 7,186,317.03 = 2,884,460.64 : x
  2. Step 2: Convert to fraction form
    5,207,705.85/7,186,317.03 = 2,884,460.64/x
  3. Step 3: Cross multiply
    5,207,705.85x = 7,186,317.03 × 2,884,460.64
  4. Step 4: Simplify right side
    5,207,705.85x = 20,728,648,619,596.70
  5. Step 5: Solve for x
    x = 20,728,648,619,596.70/5,207,705.85
  6. Step 6: Final answer
    x = 3,980,380.08

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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.