Home / 1,634,318.71-2,250,226.05-1,388,785.58

Finding the Fourth Proportional to 1,634,318.71, 2,250,226.05 and 1,388,785.58

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Solution

The fourth proportional to 1,634,318.71, 2,250,226.05 and 1,388,785.58 is: 1,912,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,318.71 : 2,250,226.05 = 1,388,785.58 : x
  2. Step 2: Convert to fraction form
    1,634,318.71/2,250,226.05 = 1,388,785.58/x
  3. Step 3: Cross multiply
    1,634,318.71x = 2,250,226.05 × 1,388,785.58
  4. Step 4: Simplify right side
    1,634,318.71x = 3,125,081,495,605.92
  5. Step 5: Solve for x
    x = 3,125,081,495,605.92/1,634,318.71
  6. Step 6: Final answer
    x = 1,912,161.61

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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.