Home / 1,768,615.31-2,438,955.23-1,122,914.50

Finding the Fourth Proportional to 1,768,615.31, 2,438,955.23 and 1,122,914.50

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Solution

The fourth proportional to 1,768,615.31, 2,438,955.23 and 1,122,914.50 is: 1,548,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,615.31 : 2,438,955.23 = 1,122,914.50 : x
  2. Step 2: Convert to fraction form
    1,768,615.31/2,438,955.23 = 1,122,914.50/x
  3. Step 3: Cross multiply
    1,768,615.31x = 2,438,955.23 × 1,122,914.50
  4. Step 4: Simplify right side
    1,768,615.31x = 2,738,738,180,905.87
  5. Step 5: Solve for x
    x = 2,738,738,180,905.87/1,768,615.31
  6. Step 6: Final answer
    x = 1,548,521.13

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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.