Home / 1,818,190.80-2,508,547.30-1,054,091.88

Finding the Fourth Proportional to 1,818,190.80, 2,508,547.30 and 1,054,091.88

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Solution

The fourth proportional to 1,818,190.80, 2,508,547.30 and 1,054,091.88 is: 1,454,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,190.80 : 2,508,547.30 = 1,054,091.88 : x
  2. Step 2: Convert to fraction form
    1,818,190.80/2,508,547.30 = 1,054,091.88/x
  3. Step 3: Cross multiply
    1,818,190.80x = 2,508,547.30 × 1,054,091.88
  4. Step 4: Simplify right side
    1,818,190.80x = 2,644,239,336,890.69
  5. Step 5: Solve for x
    x = 2,644,239,336,890.69/1,818,190.80
  6. Step 6: Final answer
    x = 1,454,324.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.