Home / 2,892,302.64-3,989,305.08-1,911,105.20

Finding the Fourth Proportional to 2,892,302.64, 3,989,305.08 and 1,911,105.20

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Solution

The fourth proportional to 2,892,302.64, 3,989,305.08 and 1,911,105.20 is: 2,635,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,302.64 : 3,989,305.08 = 1,911,105.20 : x
  2. Step 2: Convert to fraction form
    2,892,302.64/3,989,305.08 = 1,911,105.20/x
  3. Step 3: Cross multiply
    2,892,302.64x = 3,989,305.08 × 1,911,105.20
  4. Step 4: Simplify right side
    2,892,302.64x = 7,623,981,682,774.42
  5. Step 5: Solve for x
    x = 7,623,981,682,774.42/2,892,302.64
  6. Step 6: Final answer
    x = 2,635,955.72

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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.