Home / 3,781,859.52-5,672,838.40-1,257,514.68

Finding the Fourth Proportional to 3,781,859.52, 5,672,838.40 and 1,257,514.68

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Solution

The fourth proportional to 3,781,859.52, 5,672,838.40 and 1,257,514.68 is: 1,886,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,859.52 : 5,672,838.40 = 1,257,514.68 : x
  2. Step 2: Convert to fraction form
    3,781,859.52/5,672,838.40 = 1,257,514.68/x
  3. Step 3: Cross multiply
    3,781,859.52x = 5,672,838.40 × 1,257,514.68
  4. Step 4: Simplify right side
    3,781,859.52x = 7,133,677,565,267.71
  5. Step 5: Solve for x
    x = 7,133,677,565,267.71/3,781,859.52
  6. Step 6: Final answer
    x = 1,886,288.35

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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.