Home / 3,158,036.84-4,357,992.56-1,781,359.98

Finding the Fourth Proportional to 3,158,036.84, 4,357,992.56 and 1,781,359.98

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Solution

The fourth proportional to 3,158,036.84, 4,357,992.56 and 1,781,359.98 is: 2,458,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,036.84 : 4,357,992.56 = 1,781,359.98 : x
  2. Step 2: Convert to fraction form
    3,158,036.84/4,357,992.56 = 1,781,359.98/x
  3. Step 3: Cross multiply
    3,158,036.84x = 4,357,992.56 × 1,781,359.98
  4. Step 4: Simplify right side
    3,158,036.84x = 7,763,153,539,521.75
  5. Step 5: Solve for x
    x = 7,763,153,539,521.75/3,158,036.84
  6. Step 6: Final answer
    x = 2,458,221.34

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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.