Home / 4,172,238.72-6,257,346.59-1,139,618.77

Finding the Fourth Proportional to 4,172,238.72, 6,257,346.59 and 1,139,618.77

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Solution

The fourth proportional to 4,172,238.72, 6,257,346.59 and 1,139,618.77 is: 1,709,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,238.72 : 6,257,346.59 = 1,139,618.77 : x
  2. Step 2: Convert to fraction form
    4,172,238.72/6,257,346.59 = 1,139,618.77/x
  3. Step 3: Cross multiply
    4,172,238.72x = 6,257,346.59 × 1,139,618.77
  4. Step 4: Simplify right side
    4,172,238.72x = 7,130,989,611,565.18
  5. Step 5: Solve for x
    x = 7,130,989,611,565.18/4,172,238.72
  6. Step 6: Final answer
    x = 1,709,151.87

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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.