Home / 2,980,500.36-4,471,409.88-1,087,235.52

Finding the Fourth Proportional to 2,980,500.36, 4,471,409.88 and 1,087,235.52

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Solution

The fourth proportional to 2,980,500.36, 4,471,409.88 and 1,087,235.52 is: 1,631,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,500.36 : 4,471,409.88 = 1,087,235.52 : x
  2. Step 2: Convert to fraction form
    2,980,500.36/4,471,409.88 = 1,087,235.52/x
  3. Step 3: Cross multiply
    2,980,500.36x = 4,471,409.88 × 1,087,235.52
  4. Step 4: Simplify right side
    2,980,500.36x = 4,861,475,646,014.94
  5. Step 5: Solve for x
    x = 4,861,475,646,014.94/2,980,500.36
  6. Step 6: Final answer
    x = 1,631,093.80

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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.