Home / 1,768,615.50-2,438,955.51-1,122,914.67

Finding the Fourth Proportional to 1,768,615.50, 2,438,955.51 and 1,122,914.67

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Solution

The fourth proportional to 1,768,615.50, 2,438,955.51 and 1,122,914.67 is: 1,548,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,615.50 : 2,438,955.51 = 1,122,914.67 : x
  2. Step 2: Convert to fraction form
    1,768,615.50/2,438,955.51 = 1,122,914.67/x
  3. Step 3: Cross multiply
    1,768,615.50x = 2,438,955.51 × 1,122,914.67
  4. Step 4: Simplify right side
    1,768,615.50x = 2,738,738,921,656.33
  5. Step 5: Solve for x
    x = 2,738,738,921,656.33/1,768,615.50
  6. Step 6: Final answer
    x = 1,548,521.38

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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.