Home / 5,215,312.08-7,197,868.53-2,892,718.08

Finding the Fourth Proportional to 5,215,312.08, 7,197,868.53 and 2,892,718.08

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Solution

The fourth proportional to 5,215,312.08, 7,197,868.53 and 2,892,718.08 is: 3,992,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,312.08 : 7,197,868.53 = 2,892,718.08 : x
  2. Step 2: Convert to fraction form
    5,215,312.08/7,197,868.53 = 2,892,718.08/x
  3. Step 3: Cross multiply
    5,215,312.08x = 7,197,868.53 × 2,892,718.08
  4. Step 4: Simplify right side
    5,215,312.08x = 20,821,404,434,194.02
  5. Step 5: Solve for x
    x = 20,821,404,434,194.02/5,215,312.08
  6. Step 6: Final answer
    x = 3,992,360.21

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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.