Home / 1,528,012.37-2,108,197.23-915,941.80

Finding the Fourth Proportional to 1,528,012.37, 2,108,197.23 and 915,941.80

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Solution

The fourth proportional to 1,528,012.37, 2,108,197.23 and 915,941.80 is: 1,263,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,012.37 : 2,108,197.23 = 915,941.80 : x
  2. Step 2: Convert to fraction form
    1,528,012.37/2,108,197.23 = 915,941.80/x
  3. Step 3: Cross multiply
    1,528,012.37x = 2,108,197.23 × 915,941.80
  4. Step 4: Simplify right side
    1,528,012.37x = 1,930,985,965,601.21
  5. Step 5: Solve for x
    x = 1,930,985,965,601.21/1,528,012.37
  6. Step 6: Final answer
    x = 1,263,724.04

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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.