Home / 4,259,807.20-6,389,710.80-3,911,442.40

Finding the Fourth Proportional to 4,259,807.20, 6,389,710.80 and 3,911,442.40

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Solution

The fourth proportional to 4,259,807.20, 6,389,710.80 and 3,911,442.40 is: 5,867,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259,807.20 : 6,389,710.80 = 3,911,442.40 : x
  2. Step 2: Convert to fraction form
    4,259,807.20/6,389,710.80 = 3,911,442.40/x
  3. Step 3: Cross multiply
    4,259,807.20x = 6,389,710.80 × 3,911,442.40
  4. Step 4: Simplify right side
    4,259,807.20x = 24,992,985,746,857.92
  5. Step 5: Solve for x
    x = 24,992,985,746,857.92/4,259,807.20
  6. Step 6: Final answer
    x = 5,867,163.60

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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.