Home / 2,816,528.10-3,886,523.01-1,728,845.52

Finding the Fourth Proportional to 2,816,528.10, 3,886,523.01 and 1,728,845.52

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Solution

The fourth proportional to 2,816,528.10, 3,886,523.01 and 1,728,845.52 is: 2,385,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,528.10 : 3,886,523.01 = 1,728,845.52 : x
  2. Step 2: Convert to fraction form
    2,816,528.10/3,886,523.01 = 1,728,845.52/x
  3. Step 3: Cross multiply
    2,816,528.10x = 3,886,523.01 × 1,728,845.52
  4. Step 4: Simplify right side
    2,816,528.10x = 6,719,197,894,215.42
  5. Step 5: Solve for x
    x = 6,719,197,894,215.42/2,816,528.10
  6. Step 6: Final answer
    x = 2,385,631.41

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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.