Home / 5,528,431.52-7,628,941.20-3,113,828

Finding the Fourth Proportional to 5,528,431.52, 7,628,941.20 and 3,113,828

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Solution

The fourth proportional to 5,528,431.52, 7,628,941.20 and 3,113,828 is: 4,296,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528,431.52 : 7,628,941.20 = 3,113,828 : x
  2. Step 2: Convert to fraction form
    5,528,431.52/7,628,941.20 = 3,113,828/x
  3. Step 3: Cross multiply
    5,528,431.52x = 7,628,941.20 × 3,113,828
  4. Step 4: Simplify right side
    5,528,431.52x = 23,755,210,718,913.60
  5. Step 5: Solve for x
    x = 23,755,210,718,913.60/5,528,431.52
  6. Step 6: Final answer
    x = 4,296,916.88

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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.