Home / 5,286,407.34-7,295,100.39-3,111,078.63

Finding the Fourth Proportional to 5,286,407.34, 7,295,100.39 and 3,111,078.63

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Solution

The fourth proportional to 5,286,407.34, 7,295,100.39 and 3,111,078.63 is: 4,293,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,407.34 : 7,295,100.39 = 3,111,078.63 : x
  2. Step 2: Convert to fraction form
    5,286,407.34/7,295,100.39 = 3,111,078.63/x
  3. Step 3: Cross multiply
    5,286,407.34x = 7,295,100.39 × 3,111,078.63
  4. Step 4: Simplify right side
    5,286,407.34x = 22,695,630,927,033.66
  5. Step 5: Solve for x
    x = 22,695,630,927,033.66/5,286,407.34
  6. Step 6: Final answer
    x = 4,293,205.10

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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.