Home / 1,981,050.24-2,733,821.28-1,121,588.16

Finding the Fourth Proportional to 1,981,050.24, 2,733,821.28 and 1,121,588.16

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Solution

The fourth proportional to 1,981,050.24, 2,733,821.28 and 1,121,588.16 is: 1,547,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,050.24 : 2,733,821.28 = 1,121,588.16 : x
  2. Step 2: Convert to fraction form
    1,981,050.24/2,733,821.28 = 1,121,588.16/x
  3. Step 3: Cross multiply
    1,981,050.24x = 2,733,821.28 × 1,121,588.16
  4. Step 4: Simplify right side
    1,981,050.24x = 3,066,221,579,204.04
  5. Step 5: Solve for x
    x = 3,066,221,579,204.04/1,981,050.24
  6. Step 6: Final answer
    x = 1,547,775.78

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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.