Home / 2,519,785.40-3,779,678.10-922,400.60

Finding the Fourth Proportional to 2,519,785.40, 3,779,678.10 and 922,400.60

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Solution

The fourth proportional to 2,519,785.40, 3,779,678.10 and 922,400.60 is: 1,383,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,785.40 : 3,779,678.10 = 922,400.60 : x
  2. Step 2: Convert to fraction form
    2,519,785.40/3,779,678.10 = 922,400.60/x
  3. Step 3: Cross multiply
    2,519,785.40x = 3,779,678.10 × 922,400.60
  4. Step 4: Simplify right side
    2,519,785.40x = 3,486,377,347,246.86
  5. Step 5: Solve for x
    x = 3,486,377,347,246.86/2,519,785.40
  6. Step 6: Final answer
    x = 1,383,600.90

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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.