Home / 3,616,397.20-5,422,624.80-1,091,724.40

Finding the Fourth Proportional to 3,616,397.20, 5,422,624.80 and 1,091,724.40

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Solution

The fourth proportional to 3,616,397.20, 5,422,624.80 and 1,091,724.40 is: 1,636,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,397.20 : 5,422,624.80 = 1,091,724.40 : x
  2. Step 2: Convert to fraction form
    3,616,397.20/5,422,624.80 = 1,091,724.40/x
  3. Step 3: Cross multiply
    3,616,397.20x = 5,422,624.80 × 1,091,724.40
  4. Step 4: Simplify right side
    3,616,397.20x = 5,920,011,806,205.12
  5. Step 5: Solve for x
    x = 5,920,011,806,205.12/3,616,397.20
  6. Step 6: Final answer
    x = 1,636,991.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.