Home / 1,930,649.76-2,664,684-1,114,986.24

Finding the Fourth Proportional to 1,930,649.76, 2,664,684 and 1,114,986.24

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Solution

The fourth proportional to 1,930,649.76, 2,664,684 and 1,114,986.24 is: 1,538,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,649.76 : 2,664,684 = 1,114,986.24 : x
  2. Step 2: Convert to fraction form
    1,930,649.76/2,664,684 = 1,114,986.24/x
  3. Step 3: Cross multiply
    1,930,649.76x = 2,664,684 × 1,114,986.24
  4. Step 4: Simplify right side
    1,930,649.76x = 2,971,085,993,948.16
  5. Step 5: Solve for x
    x = 2,971,085,993,948.16/1,930,649.76
  6. Step 6: Final answer
    x = 1,538,904.70

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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.