Home / 1,561,288.04-2,153,917.73-1,045,208.19

Finding the Fourth Proportional to 1,561,288.04, 2,153,917.73 and 1,045,208.19

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Solution

The fourth proportional to 1,561,288.04, 2,153,917.73 and 1,045,208.19 is: 1,441,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,288.04 : 2,153,917.73 = 1,045,208.19 : x
  2. Step 2: Convert to fraction form
    1,561,288.04/2,153,917.73 = 1,045,208.19/x
  3. Step 3: Cross multiply
    1,561,288.04x = 2,153,917.73 × 1,045,208.19
  4. Step 4: Simplify right side
    1,561,288.04x = 2,251,292,446,756.17
  5. Step 5: Solve for x
    x = 2,251,292,446,756.17/1,561,288.04
  6. Step 6: Final answer
    x = 1,441,945.62

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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.