Home / 4,860,986.20-7,291,479.30-3,442,643.80

Finding the Fourth Proportional to 4,860,986.20, 7,291,479.30 and 3,442,643.80

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Solution

The fourth proportional to 4,860,986.20, 7,291,479.30 and 3,442,643.80 is: 5,163,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,986.20 : 7,291,479.30 = 3,442,643.80 : x
  2. Step 2: Convert to fraction form
    4,860,986.20/7,291,479.30 = 3,442,643.80/x
  3. Step 3: Cross multiply
    4,860,986.20x = 7,291,479.30 × 3,442,643.80
  4. Step 4: Simplify right side
    4,860,986.20x = 25,101,966,004,973.34
  5. Step 5: Solve for x
    x = 25,101,966,004,973.34/4,860,986.20
  6. Step 6: Final answer
    x = 5,163,965.70

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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.