Home / 1,809,821.60-2,713,004.40-672,279.20

Finding the Fourth Proportional to 1,809,821.60, 2,713,004.40 and 672,279.20

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Solution

The fourth proportional to 1,809,821.60, 2,713,004.40 and 672,279.20 is: 1,007,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,821.60 : 2,713,004.40 = 672,279.20 : x
  2. Step 2: Convert to fraction form
    1,809,821.60/2,713,004.40 = 672,279.20/x
  3. Step 3: Cross multiply
    1,809,821.60x = 2,713,004.40 × 672,279.20
  4. Step 4: Simplify right side
    1,809,821.60x = 1,823,896,427,628.48
  5. Step 5: Solve for x
    x = 1,823,896,427,628.48/1,809,821.60
  6. Step 6: Final answer
    x = 1,007,776.91

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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.