Home / 2,115,068.92-2,918,798.73-1,209,650.92

Finding the Fourth Proportional to 2,115,068.92, 2,918,798.73 and 1,209,650.92

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Solution

The fourth proportional to 2,115,068.92, 2,918,798.73 and 1,209,650.92 is: 1,669,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,068.92 : 2,918,798.73 = 1,209,650.92 : x
  2. Step 2: Convert to fraction form
    2,115,068.92/2,918,798.73 = 1,209,650.92/x
  3. Step 3: Cross multiply
    2,115,068.92x = 2,918,798.73 × 1,209,650.92
  4. Step 4: Simplify right side
    2,115,068.92x = 3,530,727,561,742.33
  5. Step 5: Solve for x
    x = 3,530,727,561,742.33/2,115,068.92
  6. Step 6: Final answer
    x = 1,669,320.34

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1.5x scale

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.