Home / 4,579,216.80-6,868,825.20-1,213,423.80

Finding the Fourth Proportional to 4,579,216.80, 6,868,825.20 and 1,213,423.80

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Solution

The fourth proportional to 4,579,216.80, 6,868,825.20 and 1,213,423.80 is: 1,820,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,216.80 : 6,868,825.20 = 1,213,423.80 : x
  2. Step 2: Convert to fraction form
    4,579,216.80/6,868,825.20 = 1,213,423.80/x
  3. Step 3: Cross multiply
    4,579,216.80x = 6,868,825.20 × 1,213,423.80
  4. Step 4: Simplify right side
    4,579,216.80x = 8,334,795,975,719.76
  5. Step 5: Solve for x
    x = 8,334,795,975,719.76/4,579,216.80
  6. Step 6: Final answer
    x = 1,820,135.70

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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.