Home / 5,185,767.72-7,778,651.40-1,399,250.48

Finding the Fourth Proportional to 5,185,767.72, 7,778,651.40 and 1,399,250.48

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Solution

The fourth proportional to 5,185,767.72, 7,778,651.40 and 1,399,250.48 is: 2,098,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,767.72 : 7,778,651.40 = 1,399,250.48 : x
  2. Step 2: Convert to fraction form
    5,185,767.72/7,778,651.40 = 1,399,250.48/x
  3. Step 3: Cross multiply
    5,185,767.72x = 7,778,651.40 × 1,399,250.48
  4. Step 4: Simplify right side
    5,185,767.72x = 10,884,281,705,202.67
  5. Step 5: Solve for x
    x = 10,884,281,705,202.67/5,185,767.72
  6. Step 6: Final answer
    x = 2,098,875.67

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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.