Home / 1,898,102.06-2,620,047.40-1,173,505.58

Finding the Fourth Proportional to 1,898,102.06, 2,620,047.40 and 1,173,505.58

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Solution

The fourth proportional to 1,898,102.06, 2,620,047.40 and 1,173,505.58 is: 1,619,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,102.06 : 2,620,047.40 = 1,173,505.58 : x
  2. Step 2: Convert to fraction form
    1,898,102.06/2,620,047.40 = 1,173,505.58/x
  3. Step 3: Cross multiply
    1,898,102.06x = 2,620,047.40 × 1,173,505.58
  4. Step 4: Simplify right side
    1,898,102.06x = 3,074,640,243,764.49
  5. Step 5: Solve for x
    x = 3,074,640,243,764.49/1,898,102.06
  6. Step 6: Final answer
    x = 1,619,849.80

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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.