Home / 3,108,312.44-4,290,109.26-1,961,623.16

Finding the Fourth Proportional to 3,108,312.44, 4,290,109.26 and 1,961,623.16

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Solution

The fourth proportional to 3,108,312.44, 4,290,109.26 and 1,961,623.16 is: 2,707,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,312.44 : 4,290,109.26 = 1,961,623.16 : x
  2. Step 2: Convert to fraction form
    3,108,312.44/4,290,109.26 = 1,961,623.16/x
  3. Step 3: Cross multiply
    3,108,312.44x = 4,290,109.26 × 1,961,623.16
  4. Step 4: Simplify right side
    3,108,312.44x = 8,415,577,683,346.46
  5. Step 5: Solve for x
    x = 8,415,577,683,346.46/3,108,312.44
  6. Step 6: Final answer
    x = 2,707,442.65

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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.