Home / 1,779,817.01-2,455,469.55-1,315,785.11

Finding the Fourth Proportional to 1,779,817.01, 2,455,469.55 and 1,315,785.11

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Solution

The fourth proportional to 1,779,817.01, 2,455,469.55 and 1,315,785.11 is: 1,815,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,817.01 : 2,455,469.55 = 1,315,785.11 : x
  2. Step 2: Convert to fraction form
    1,779,817.01/2,455,469.55 = 1,315,785.11/x
  3. Step 3: Cross multiply
    1,779,817.01x = 2,455,469.55 × 1,315,785.11
  4. Step 4: Simplify right side
    1,779,817.01x = 3,230,870,259,671.05
  5. Step 5: Solve for x
    x = 3,230,870,259,671.05/1,779,817.01
  6. Step 6: Final answer
    x = 1,815,282.27

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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.