Home / 1,853,009.11-2,779,992.87-1,085,155.30

Finding the Fourth Proportional to 1,853,009.11, 2,779,992.87 and 1,085,155.30

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Solution

The fourth proportional to 1,853,009.11, 2,779,992.87 and 1,085,155.30 is: 1,628,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,009.11 : 2,779,992.87 = 1,085,155.30 : x
  2. Step 2: Convert to fraction form
    1,853,009.11/2,779,992.87 = 1,085,155.30/x
  3. Step 3: Cross multiply
    1,853,009.11x = 2,779,992.87 × 1,085,155.30
  4. Step 4: Simplify right side
    1,853,009.11x = 3,016,723,996,842.71
  5. Step 5: Solve for x
    x = 3,016,723,996,842.71/1,853,009.11
  6. Step 6: Final answer
    x = 1,628,013.58

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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.