Home / 3,564,780-4,919,398.80-1,933,186.86

Finding the Fourth Proportional to 3,564,780, 4,919,398.80 and 1,933,186.86

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Solution

The fourth proportional to 3,564,780, 4,919,398.80 and 1,933,186.86 is: 2,667,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564,780 : 4,919,398.80 = 1,933,186.86 : x
  2. Step 2: Convert to fraction form
    3,564,780/4,919,398.80 = 1,933,186.86/x
  3. Step 3: Cross multiply
    3,564,780x = 4,919,398.80 × 1,933,186.86
  4. Step 4: Simplify right side
    3,564,780x = 9,510,117,119,259.77
  5. Step 5: Solve for x
    x = 9,510,117,119,259.77/3,564,780
  6. Step 6: Final answer
    x = 2,667,799.17

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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.