Home / 3,057,399.71-4,219,263.62-1,680,800.76

Finding the Fourth Proportional to 3,057,399.71, 4,219,263.62 and 1,680,800.76

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Solution

The fourth proportional to 3,057,399.71, 4,219,263.62 and 1,680,800.76 is: 2,319,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,399.71 : 4,219,263.62 = 1,680,800.76 : x
  2. Step 2: Convert to fraction form
    3,057,399.71/4,219,263.62 = 1,680,800.76/x
  3. Step 3: Cross multiply
    3,057,399.71x = 4,219,263.62 × 1,680,800.76
  4. Step 4: Simplify right side
    3,057,399.71x = 7,091,741,490,732.35
  5. Step 5: Solve for x
    x = 7,091,741,490,732.35/3,057,399.71
  6. Step 6: Final answer
    x = 2,319,533.65

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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.