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Finding the Fourth Proportional to 1,890,891.46, 2,836,347.63 and 470,947.62

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Solution

The fourth proportional to 1,890,891.46, 2,836,347.63 and 470,947.62 is: 706,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,891.46 : 2,836,347.63 = 470,947.62 : x
  2. Step 2: Convert to fraction form
    1,890,891.46/2,836,347.63 = 470,947.62/x
  3. Step 3: Cross multiply
    1,890,891.46x = 2,836,347.63 × 470,947.62
  4. Step 4: Simplify right side
    1,890,891.46x = 1,335,771,165,841.14
  5. Step 5: Solve for x
    x = 1,335,771,165,841.14/1,890,891.46
  6. Step 6: Final answer
    x = 706,424.03

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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.