Home / 6,420,810.36-8,860,483.17-3,520,137.63

Finding the Fourth Proportional to 6,420,810.36, 8,860,483.17 and 3,520,137.63

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Solution

The fourth proportional to 6,420,810.36, 8,860,483.17 and 3,520,137.63 is: 4,857,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,810.36 : 8,860,483.17 = 3,520,137.63 : x
  2. Step 2: Convert to fraction form
    6,420,810.36/8,860,483.17 = 3,520,137.63/x
  3. Step 3: Cross multiply
    6,420,810.36x = 8,860,483.17 × 3,520,137.63
  4. Step 4: Simplify right side
    6,420,810.36x = 31,190,120,226,698.69
  5. Step 5: Solve for x
    x = 31,190,120,226,698.69/6,420,810.36
  6. Step 6: Final answer
    x = 4,857,661.02

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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.