Home / 2,589,434.65-3,573,632.57-1,428,108.06

Finding the Fourth Proportional to 2,589,434.65, 3,573,632.57 and 1,428,108.06

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Solution

The fourth proportional to 2,589,434.65, 3,573,632.57 and 1,428,108.06 is: 1,970,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,434.65 : 3,573,632.57 = 1,428,108.06 : x
  2. Step 2: Convert to fraction form
    2,589,434.65/3,573,632.57 = 1,428,108.06/x
  3. Step 3: Cross multiply
    2,589,434.65x = 3,573,632.57 × 1,428,108.06
  4. Step 4: Simplify right side
    2,589,434.65x = 5,103,533,476,695.51
  5. Step 5: Solve for x
    x = 5,103,533,476,695.51/2,589,434.65
  6. Step 6: Final answer
    x = 1,970,906.46

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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.