Home / 6,420,748.30-8,860,397.52-3,520,075.52

Finding the Fourth Proportional to 6,420,748.30, 8,860,397.52 and 3,520,075.52

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Solution

The fourth proportional to 6,420,748.30, 8,860,397.52 and 3,520,075.52 is: 4,857,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,748.30 : 8,860,397.52 = 3,520,075.52 : x
  2. Step 2: Convert to fraction form
    6,420,748.30/8,860,397.52 = 3,520,075.52/x
  3. Step 3: Cross multiply
    6,420,748.30x = 8,860,397.52 × 3,520,075.52
  4. Step 4: Simplify right side
    6,420,748.30x = 31,189,268,442,971.98
  5. Step 5: Solve for x
    x = 31,189,268,442,971.98/6,420,748.30
  6. Step 6: Final answer
    x = 4,857,575.32

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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.