Home / 5,151,113.95-7,108,564.71-3,218,495.26

Finding the Fourth Proportional to 5,151,113.95, 7,108,564.71 and 3,218,495.26

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Solution

The fourth proportional to 5,151,113.95, 7,108,564.71 and 3,218,495.26 is: 4,441,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,113.95 : 7,108,564.71 = 3,218,495.26 : x
  2. Step 2: Convert to fraction form
    5,151,113.95/7,108,564.71 = 3,218,495.26/x
  3. Step 3: Cross multiply
    5,151,113.95x = 7,108,564.71 × 3,218,495.26
  4. Step 4: Simplify right side
    5,151,113.95x = 22,878,881,824,538.27
  5. Step 5: Solve for x
    x = 22,878,881,824,538.27/5,151,113.95
  6. Step 6: Final answer
    x = 4,441,540.62

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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.