Home / 1,556,619.90-2,336,679.45-1,203,200.70

Finding the Fourth Proportional to 1,556,619.90, 2,336,679.45 and 1,203,200.70

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Solution

The fourth proportional to 1,556,619.90, 2,336,679.45 and 1,203,200.70 is: 1,806,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,619.90 : 2,336,679.45 = 1,203,200.70 : x
  2. Step 2: Convert to fraction form
    1,556,619.90/2,336,679.45 = 1,203,200.70/x
  3. Step 3: Cross multiply
    1,556,619.90x = 2,336,679.45 × 1,203,200.70
  4. Step 4: Simplify right side
    1,556,619.90x = 2,811,494,349,915.62
  5. Step 5: Solve for x
    x = 2,811,494,349,915.62/1,556,619.90
  6. Step 6: Final answer
    x = 1,806,153.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.