Home / 1,552,330.51-2,141,949.56-1,426,761.78

Finding the Fourth Proportional to 1,552,330.51, 2,141,949.56 and 1,426,761.78

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Solution

The fourth proportional to 1,552,330.51, 2,141,949.56 and 1,426,761.78 is: 1,968,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,330.51 : 2,141,949.56 = 1,426,761.78 : x
  2. Step 2: Convert to fraction form
    1,552,330.51/2,141,949.56 = 1,426,761.78/x
  3. Step 3: Cross multiply
    1,552,330.51x = 2,141,949.56 × 1,426,761.78
  4. Step 4: Simplify right side
    1,552,330.51x = 3,056,051,751,729.70
  5. Step 5: Solve for x
    x = 3,056,051,751,729.70/1,552,330.51
  6. Step 6: Final answer
    x = 1,968,686.27

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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.