Home / 2,167,434.06-2,990,927.43-1,200,507.90

Finding the Fourth Proportional to 2,167,434.06, 2,990,927.43 and 1,200,507.90

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Solution

The fourth proportional to 2,167,434.06, 2,990,927.43 and 1,200,507.90 is: 1,656,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,434.06 : 2,990,927.43 = 1,200,507.90 : x
  2. Step 2: Convert to fraction form
    2,167,434.06/2,990,927.43 = 1,200,507.90/x
  3. Step 3: Cross multiply
    2,167,434.06x = 2,990,927.43 × 1,200,507.90
  4. Step 4: Simplify right side
    2,167,434.06x = 3,590,632,008,041.70
  5. Step 5: Solve for x
    x = 3,590,632,008,041.70/2,167,434.06
  6. Step 6: Final answer
    x = 1,656,628.03

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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.