Home / 3,558,699.20-5,338,048.80-1,639,606.70

Finding the Fourth Proportional to 3,558,699.20, 5,338,048.80 and 1,639,606.70

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Solution

The fourth proportional to 3,558,699.20, 5,338,048.80 and 1,639,606.70 is: 2,459,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558,699.20 : 5,338,048.80 = 1,639,606.70 : x
  2. Step 2: Convert to fraction form
    3,558,699.20/5,338,048.80 = 1,639,606.70/x
  3. Step 3: Cross multiply
    3,558,699.20x = 5,338,048.80 × 1,639,606.70
  4. Step 4: Simplify right side
    3,558,699.20x = 8,752,300,577,406.96
  5. Step 5: Solve for x
    x = 8,752,300,577,406.96/3,558,699.20
  6. Step 6: Final answer
    x = 2,459,410.05

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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.