Home / 2,789,385.65-4,182,452.74-1,081,533.75

Finding the Fourth Proportional to 2,789,385.65, 4,182,452.74 and 1,081,533.75

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Solution

The fourth proportional to 2,789,385.65, 4,182,452.74 and 1,081,533.75 is: 1,621,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,385.65 : 4,182,452.74 = 1,081,533.75 : x
  2. Step 2: Convert to fraction form
    2,789,385.65/4,182,452.74 = 1,081,533.75/x
  3. Step 3: Cross multiply
    2,789,385.65x = 4,182,452.74 × 1,081,533.75
  4. Step 4: Simplify right side
    2,789,385.65x = 4,523,463,793,386.14
  5. Step 5: Solve for x
    x = 4,523,463,793,386.14/2,789,385.65
  6. Step 6: Final answer
    x = 1,621,670.28

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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.