Home / 3,078,020.07-4,247,082.90-1,931,583.69

Finding the Fourth Proportional to 3,078,020.07, 4,247,082.90 and 1,931,583.69

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Solution

The fourth proportional to 3,078,020.07, 4,247,082.90 and 1,931,583.69 is: 2,665,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,020.07 : 4,247,082.90 = 1,931,583.69 : x
  2. Step 2: Convert to fraction form
    3,078,020.07/4,247,082.90 = 1,931,583.69/x
  3. Step 3: Cross multiply
    3,078,020.07x = 4,247,082.90 × 1,931,583.69
  4. Step 4: Simplify right side
    3,078,020.07x = 8,203,596,059,717.90
  5. Step 5: Solve for x
    x = 8,203,596,059,717.90/3,078,020.07
  6. Step 6: Final answer
    x = 2,665,218.51

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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.