Home / 5,785,368.86-8,679,678.15-2,142,043.94

Finding the Fourth Proportional to 5,785,368.86, 8,679,678.15 and 2,142,043.94

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Solution

The fourth proportional to 5,785,368.86, 8,679,678.15 and 2,142,043.94 is: 3,213,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785,368.86 : 8,679,678.15 = 2,142,043.94 : x
  2. Step 2: Convert to fraction form
    5,785,368.86/8,679,678.15 = 2,142,043.94/x
  3. Step 3: Cross multiply
    5,785,368.86x = 8,679,678.15 × 2,142,043.94
  4. Step 4: Simplify right side
    5,785,368.86x = 18,592,251,982,357.91
  5. Step 5: Solve for x
    x = 18,592,251,982,357.91/5,785,368.86
  6. Step 6: Final answer
    x = 3,213,667.52

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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.