Home / 1,796,188.50-2,478,743.37-991,372.50

Finding the Fourth Proportional to 1,796,188.50, 2,478,743.37 and 991,372.50

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Solution

The fourth proportional to 1,796,188.50, 2,478,743.37 and 991,372.50 is: 1,368,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,188.50 : 2,478,743.37 = 991,372.50 : x
  2. Step 2: Convert to fraction form
    1,796,188.50/2,478,743.37 = 991,372.50/x
  3. Step 3: Cross multiply
    1,796,188.50x = 2,478,743.37 × 991,372.50
  4. Step 4: Simplify right side
    1,796,188.50x = 2,457,358,011,575.33
  5. Step 5: Solve for x
    x = 2,457,358,011,575.33/1,796,188.50
  6. Step 6: Final answer
    x = 1,368,095.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.