Home / 2,116,715.37-2,921,069.57-1,149,845.64

Finding the Fourth Proportional to 2,116,715.37, 2,921,069.57 and 1,149,845.64

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Solution

The fourth proportional to 2,116,715.37, 2,921,069.57 and 1,149,845.64 is: 1,586,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,715.37 : 2,921,069.57 = 1,149,845.64 : x
  2. Step 2: Convert to fraction form
    2,116,715.37/2,921,069.57 = 1,149,845.64/x
  3. Step 3: Cross multiply
    2,116,715.37x = 2,921,069.57 × 1,149,845.64
  4. Step 4: Simplify right side
    2,116,715.37x = 3,358,779,109,201.17
  5. Step 5: Solve for x
    x = 3,358,779,109,201.17/2,116,715.37
  6. Step 6: Final answer
    x = 1,586,788.26

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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.