Home / 5,156,970.53-7,116,840.77-2,865,131.22

Finding the Fourth Proportional to 5,156,970.53, 7,116,840.77 and 2,865,131.22

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Solution

The fourth proportional to 5,156,970.53, 7,116,840.77 and 2,865,131.22 is: 3,954,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,970.53 : 7,116,840.77 = 2,865,131.22 : x
  2. Step 2: Convert to fraction form
    5,156,970.53/7,116,840.77 = 2,865,131.22/x
  3. Step 3: Cross multiply
    5,156,970.53x = 7,116,840.77 × 2,865,131.22
  4. Step 4: Simplify right side
    5,156,970.53x = 20,390,682,685,058.67
  5. Step 5: Solve for x
    x = 20,390,682,685,058.67/5,156,970.53
  6. Step 6: Final answer
    x = 3,954,004.11

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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.