Home / 1,931,840.28-2,665,806.03-1,072,332.88

Finding the Fourth Proportional to 1,931,840.28, 2,665,806.03 and 1,072,332.88

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Solution

The fourth proportional to 1,931,840.28, 2,665,806.03 and 1,072,332.88 is: 1,479,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,840.28 : 2,665,806.03 = 1,072,332.88 : x
  2. Step 2: Convert to fraction form
    1,931,840.28/2,665,806.03 = 1,072,332.88/x
  3. Step 3: Cross multiply
    1,931,840.28x = 2,665,806.03 × 1,072,332.88
  4. Step 4: Simplify right side
    1,931,840.28x = 2,858,631,457,671.27
  5. Step 5: Solve for x
    x = 2,858,631,457,671.27/1,931,840.28
  6. Step 6: Final answer
    x = 1,479,745.24

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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.