Home / 1,930,557.72-2,663,509.76-1,103,037.52

Finding the Fourth Proportional to 1,930,557.72, 2,663,509.76 and 1,103,037.52

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Solution

The fourth proportional to 1,930,557.72, 2,663,509.76 and 1,103,037.52 is: 1,521,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,557.72 : 2,663,509.76 = 1,103,037.52 : x
  2. Step 2: Convert to fraction form
    1,930,557.72/2,663,509.76 = 1,103,037.52/x
  3. Step 3: Cross multiply
    1,930,557.72x = 2,663,509.76 × 1,103,037.52
  4. Step 4: Simplify right side
    1,930,557.72x = 2,937,951,192,128.62
  5. Step 5: Solve for x
    x = 2,937,951,192,128.62/1,930,557.72
  6. Step 6: Final answer
    x = 1,521,814.74

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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.