Home / 2,894,237-3,994,047.06-1,605,274.76

Finding the Fourth Proportional to 2,894,237, 3,994,047.06 and 1,605,274.76

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Solution

The fourth proportional to 2,894,237, 3,994,047.06 and 1,605,274.76 is: 2,215,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,237 : 3,994,047.06 = 1,605,274.76 : x
  2. Step 2: Convert to fraction form
    2,894,237/3,994,047.06 = 1,605,274.76/x
  3. Step 3: Cross multiply
    2,894,237x = 3,994,047.06 × 1,605,274.76
  4. Step 4: Simplify right side
    2,894,237x = 6,411,542,935,670.21
  5. Step 5: Solve for x
    x = 6,411,542,935,670.21/2,894,237
  6. Step 6: Final answer
    x = 2,215,279.17

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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.