Home / 5,172,266.44-7,137,216.64-2,880,640.36

Finding the Fourth Proportional to 5,172,266.44, 7,137,216.64 and 2,880,640.36

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Solution

The fourth proportional to 5,172,266.44, 7,137,216.64 and 2,880,640.36 is: 3,974,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,266.44 : 7,137,216.64 = 2,880,640.36 : x
  2. Step 2: Convert to fraction form
    5,172,266.44/7,137,216.64 = 2,880,640.36/x
  3. Step 3: Cross multiply
    5,172,266.44x = 7,137,216.64 × 2,880,640.36
  4. Step 4: Simplify right side
    5,172,266.44x = 20,559,754,311,247.59
  5. Step 5: Solve for x
    x = 20,559,754,311,247.59/5,172,266.44
  6. Step 6: Final answer
    x = 3,974,999.07

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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.