Home / 2,896,789.80-4,345,703.10-1,214,063.40

Finding the Fourth Proportional to 2,896,789.80, 4,345,703.10 and 1,214,063.40

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Solution

The fourth proportional to 2,896,789.80, 4,345,703.10 and 1,214,063.40 is: 1,821,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,789.80 : 4,345,703.10 = 1,214,063.40 : x
  2. Step 2: Convert to fraction form
    2,896,789.80/4,345,703.10 = 1,214,063.40/x
  3. Step 3: Cross multiply
    2,896,789.80x = 4,345,703.10 × 1,214,063.40
  4. Step 4: Simplify right side
    2,896,789.80x = 5,275,959,080,976.54
  5. Step 5: Solve for x
    x = 5,275,959,080,976.54/2,896,789.80
  6. Step 6: Final answer
    x = 1,821,312.36

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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.