Home / 4,142,128.40-6,214,170.59-1,302,240.55

Finding the Fourth Proportional to 4,142,128.40, 6,214,170.59 and 1,302,240.55

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Solution

The fourth proportional to 4,142,128.40, 6,214,170.59 and 1,302,240.55 is: 1,953,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142,128.40 : 6,214,170.59 = 1,302,240.55 : x
  2. Step 2: Convert to fraction form
    4,142,128.40/6,214,170.59 = 1,302,240.55/x
  3. Step 3: Cross multiply
    4,142,128.40x = 6,214,170.59 × 1,302,240.55
  4. Step 4: Simplify right side
    4,142,128.40x = 8,092,344,926,915.43
  5. Step 5: Solve for x
    x = 8,092,344,926,915.43/4,142,128.40
  6. Step 6: Final answer
    x = 1,953,668.29

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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.