Home / 6,390,401.37-9,585,686.82-2,130,570.96

Finding the Fourth Proportional to 6,390,401.37, 9,585,686.82 and 2,130,570.96

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Solution

The fourth proportional to 6,390,401.37, 9,585,686.82 and 2,130,570.96 is: 3,195,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,401.37 : 9,585,686.82 = 2,130,570.96 : x
  2. Step 2: Convert to fraction form
    6,390,401.37/9,585,686.82 = 2,130,570.96/x
  3. Step 3: Cross multiply
    6,390,401.37x = 9,585,686.82 × 2,130,570.96
  4. Step 4: Simplify right side
    6,390,401.37x = 20,422,985,970,346.75
  5. Step 5: Solve for x
    x = 20,422,985,970,346.75/6,390,401.37
  6. Step 6: Final answer
    x = 3,195,884.70

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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.