Home / 3,338,461.20-5,012,940.60-1,921,285.20

Finding the Fourth Proportional to 3,338,461.20, 5,012,940.60 and 1,921,285.20

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Solution

The fourth proportional to 3,338,461.20, 5,012,940.60 and 1,921,285.20 is: 2,884,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338,461.20 : 5,012,940.60 = 1,921,285.20 : x
  2. Step 2: Convert to fraction form
    3,338,461.20/5,012,940.60 = 1,921,285.20/x
  3. Step 3: Cross multiply
    3,338,461.20x = 5,012,940.60 × 1,921,285.20
  4. Step 4: Simplify right side
    3,338,461.20x = 9,631,288,583,259.12
  5. Step 5: Solve for x
    x = 9,631,288,583,259.12/3,338,461.20
  6. Step 6: Final answer
    x = 2,884,948.49

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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.