Home / 2,931,782.09-4,392,809.19-2,074,603.85

Finding the Fourth Proportional to 2,931,782.09, 4,392,809.19 and 2,074,603.85

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Solution

The fourth proportional to 2,931,782.09, 4,392,809.19 and 2,074,603.85 is: 3,108,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,782.09 : 4,392,809.19 = 2,074,603.85 : x
  2. Step 2: Convert to fraction form
    2,931,782.09/4,392,809.19 = 2,074,603.85/x
  3. Step 3: Cross multiply
    2,931,782.09x = 4,392,809.19 × 2,074,603.85
  4. Step 4: Simplify right side
    2,931,782.09x = 9,113,338,857,889.38
  5. Step 5: Solve for x
    x = 9,113,338,857,889.38/2,931,782.09
  6. Step 6: Final answer
    x = 3,108,463.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.