Home / 2,894,215-3,994,016.70-1,605,252.76

Finding the Fourth Proportional to 2,894,215, 3,994,016.70 and 1,605,252.76

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Solution

The fourth proportional to 2,894,215, 3,994,016.70 and 1,605,252.76 is: 2,215,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,215 : 3,994,016.70 = 1,605,252.76 : x
  2. Step 2: Convert to fraction form
    2,894,215/3,994,016.70 = 1,605,252.76/x
  3. Step 3: Cross multiply
    2,894,215x = 3,994,016.70 × 1,605,252.76
  4. Step 4: Simplify right side
    2,894,215x = 6,411,406,331,161.09
  5. Step 5: Solve for x
    x = 6,411,406,331,161.09/2,894,215
  6. Step 6: Final answer
    x = 2,215,248.81

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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.