Home / 5,177,510.56-7,765,740.96-1,390,501.44

Finding the Fourth Proportional to 5,177,510.56, 7,765,740.96 and 1,390,501.44

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Solution

The fourth proportional to 5,177,510.56, 7,765,740.96 and 1,390,501.44 is: 2,085,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,510.56 : 7,765,740.96 = 1,390,501.44 : x
  2. Step 2: Convert to fraction form
    5,177,510.56/7,765,740.96 = 1,390,501.44/x
  3. Step 3: Cross multiply
    5,177,510.56x = 7,765,740.96 × 1,390,501.44
  4. Step 4: Simplify right side
    5,177,510.56x = 10,798,273,987,546.98
  5. Step 5: Solve for x
    x = 10,798,273,987,546.98/5,177,510.56
  6. Step 6: Final answer
    x = 2,085,611.20

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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.