Home / 3,532,905.80-5,300,140.62-1,289,037.32

Finding the Fourth Proportional to 3,532,905.80, 5,300,140.62 and 1,289,037.32

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Solution

The fourth proportional to 3,532,905.80, 5,300,140.62 and 1,289,037.32 is: 1,933,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,905.80 : 5,300,140.62 = 1,289,037.32 : x
  2. Step 2: Convert to fraction form
    3,532,905.80/5,300,140.62 = 1,289,037.32/x
  3. Step 3: Cross multiply
    3,532,905.80x = 5,300,140.62 × 1,289,037.32
  4. Step 4: Simplify right side
    3,532,905.80x = 6,832,079,060,427.94
  5. Step 5: Solve for x
    x = 6,832,079,060,427.94/3,532,905.80
  6. Step 6: Final answer
    x = 1,933,841.28

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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.