Home / 3,056,479.48-4,218,036.56-1,679,798.15

Finding the Fourth Proportional to 3,056,479.48, 4,218,036.56 and 1,679,798.15

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Solution

The fourth proportional to 3,056,479.48, 4,218,036.56 and 1,679,798.15 is: 2,318,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056,479.48 : 4,218,036.56 = 1,679,798.15 : x
  2. Step 2: Convert to fraction form
    3,056,479.48/4,218,036.56 = 1,679,798.15/x
  3. Step 3: Cross multiply
    3,056,479.48x = 4,218,036.56 × 1,679,798.15
  4. Step 4: Simplify right side
    3,056,479.48x = 7,085,450,010,120.36
  5. Step 5: Solve for x
    x = 7,085,450,010,120.36/3,056,479.48
  6. Step 6: Final answer
    x = 2,318,173.59

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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.