Home / 1,940,881.88-2,678,381.28-1,081,423.64

Finding the Fourth Proportional to 1,940,881.88, 2,678,381.28 and 1,081,423.64

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Solution

The fourth proportional to 1,940,881.88, 2,678,381.28 and 1,081,423.64 is: 1,492,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,881.88 : 2,678,381.28 = 1,081,423.64 : x
  2. Step 2: Convert to fraction form
    1,940,881.88/2,678,381.28 = 1,081,423.64/x
  3. Step 3: Cross multiply
    1,940,881.88x = 2,678,381.28 × 1,081,423.64
  4. Step 4: Simplify right side
    1,940,881.88x = 2,896,464,833,125.46
  5. Step 5: Solve for x
    x = 2,896,464,833,125.46/1,940,881.88
  6. Step 6: Final answer
    x = 1,492,344.72

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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.