Home / 3,822,815.20-5,734,222.80-3,409,938.40

Finding the Fourth Proportional to 3,822,815.20, 5,734,222.80 and 3,409,938.40

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Solution

The fourth proportional to 3,822,815.20, 5,734,222.80 and 3,409,938.40 is: 5,114,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822,815.20 : 5,734,222.80 = 3,409,938.40 : x
  2. Step 2: Convert to fraction form
    3,822,815.20/5,734,222.80 = 3,409,938.40/x
  3. Step 3: Cross multiply
    3,822,815.20x = 5,734,222.80 × 3,409,938.40
  4. Step 4: Simplify right side
    3,822,815.20x = 19,553,346,519,875.52
  5. Step 5: Solve for x
    x = 19,553,346,519,875.52/3,822,815.20
  6. Step 6: Final answer
    x = 5,114,907.60

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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.