Home / 2,078,140.70-3,115,655.85-1,132,579.10

Finding the Fourth Proportional to 2,078,140.70, 3,115,655.85 and 1,132,579.10

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Solution

The fourth proportional to 2,078,140.70, 3,115,655.85 and 1,132,579.10 is: 1,698,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,140.70 : 3,115,655.85 = 1,132,579.10 : x
  2. Step 2: Convert to fraction form
    2,078,140.70/3,115,655.85 = 1,132,579.10/x
  3. Step 3: Cross multiply
    2,078,140.70x = 3,115,655.85 × 1,132,579.10
  4. Step 4: Simplify right side
    2,078,140.70x = 3,528,726,698,502.74
  5. Step 5: Solve for x
    x = 3,528,726,698,502.74/2,078,140.70
  6. Step 6: Final answer
    x = 1,698,021.07

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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.