Home / 3,458,512-4,772,785.76-1,909,771.57

Finding the Fourth Proportional to 3,458,512, 4,772,785.76 and 1,909,771.57

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Solution

The fourth proportional to 3,458,512, 4,772,785.76 and 1,909,771.57 is: 2,635,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,512 : 4,772,785.76 = 1,909,771.57 : x
  2. Step 2: Convert to fraction form
    3,458,512/4,772,785.76 = 1,909,771.57/x
  3. Step 3: Cross multiply
    3,458,512x = 4,772,785.76 × 1,909,771.57
  4. Step 4: Simplify right side
    3,458,512x = 9,114,930,554,148.84
  5. Step 5: Solve for x
    x = 9,114,930,554,148.84/3,458,512
  6. Step 6: Final answer
    x = 2,635,506.41

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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.