Home / 6,420,422.56-8,860,150.27-3,480,228.31

Finding the Fourth Proportional to 6,420,422.56, 8,860,150.27 and 3,480,228.31

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Solution

The fourth proportional to 6,420,422.56, 8,860,150.27 and 3,480,228.31 is: 4,802,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,422.56 : 8,860,150.27 = 3,480,228.31 : x
  2. Step 2: Convert to fraction form
    6,420,422.56/8,860,150.27 = 3,480,228.31/x
  3. Step 3: Cross multiply
    6,420,422.56x = 8,860,150.27 × 3,480,228.31
  4. Step 4: Simplify right side
    6,420,422.56x = 30,835,345,774,401.66
  5. Step 5: Solve for x
    x = 30,835,345,774,401.66/6,420,422.56
  6. Step 6: Final answer
    x = 4,802,697.25

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1.5x scale

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.