Home / 5,239,207.40-7,858,811.10-4,991,201.60

Finding the Fourth Proportional to 5,239,207.40, 7,858,811.10 and 4,991,201.60

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Solution

The fourth proportional to 5,239,207.40, 7,858,811.10 and 4,991,201.60 is: 7,486,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,207.40 : 7,858,811.10 = 4,991,201.60 : x
  2. Step 2: Convert to fraction form
    5,239,207.40/7,858,811.10 = 4,991,201.60/x
  3. Step 3: Cross multiply
    5,239,207.40x = 7,858,811.10 × 4,991,201.60
  4. Step 4: Simplify right side
    5,239,207.40x = 39,224,910,536,417.76
  5. Step 5: Solve for x
    x = 39,224,910,536,417.76/5,239,207.40
  6. Step 6: Final answer
    x = 7,486,802.40

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Similar ratio
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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.