Home / 1,915,201.50-2,642,996.30-1,055,792.58

Finding the Fourth Proportional to 1,915,201.50, 2,642,996.30 and 1,055,792.58

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Solution

The fourth proportional to 1,915,201.50, 2,642,996.30 and 1,055,792.58 is: 1,457,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,201.50 : 2,642,996.30 = 1,055,792.58 : x
  2. Step 2: Convert to fraction form
    1,915,201.50/2,642,996.30 = 1,055,792.58/x
  3. Step 3: Cross multiply
    1,915,201.50x = 2,642,996.30 × 1,055,792.58
  4. Step 4: Simplify right side
    1,915,201.50x = 2,790,455,877,228.49
  5. Step 5: Solve for x
    x = 2,790,455,877,228.49/1,915,201.50
  6. Step 6: Final answer
    x = 1,457,003.81

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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.