Home / 3,078,005.70-4,617,008.55-834,143.70

Finding the Fourth Proportional to 3,078,005.70, 4,617,008.55 and 834,143.70

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Solution

The fourth proportional to 3,078,005.70, 4,617,008.55 and 834,143.70 is: 1,251,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,005.70 : 4,617,008.55 = 834,143.70 : x
  2. Step 2: Convert to fraction form
    3,078,005.70/4,617,008.55 = 834,143.70/x
  3. Step 3: Cross multiply
    3,078,005.70x = 4,617,008.55 × 834,143.70
  4. Step 4: Simplify right side
    3,078,005.70x = 3,851,248,594,828.64
  5. Step 5: Solve for x
    x = 3,851,248,594,828.64/3,078,005.70
  6. Step 6: Final answer
    x = 1,251,215.55

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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.