Home / 2,889,451.40-4,331,066.70-1,091,640.20

Finding the Fourth Proportional to 2,889,451.40, 4,331,066.70 and 1,091,640.20

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Solution

The fourth proportional to 2,889,451.40, 4,331,066.70 and 1,091,640.20 is: 1,636,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,451.40 : 4,331,066.70 = 1,091,640.20 : x
  2. Step 2: Convert to fraction form
    2,889,451.40/4,331,066.70 = 1,091,640.20/x
  3. Step 3: Cross multiply
    2,889,451.40x = 4,331,066.70 × 1,091,640.20
  4. Step 4: Simplify right side
    2,889,451.40x = 4,727,966,518,601.34
  5. Step 5: Solve for x
    x = 4,727,966,518,601.34/2,889,451.40
  6. Step 6: Final answer
    x = 1,636,285.19

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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.