Home / 1,837,119.40-2,757,752.70-1,418,252.20

Finding the Fourth Proportional to 1,837,119.40, 2,757,752.70 and 1,418,252.20

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Solution

The fourth proportional to 1,837,119.40, 2,757,752.70 and 1,418,252.20 is: 2,128,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,119.40 : 2,757,752.70 = 1,418,252.20 : x
  2. Step 2: Convert to fraction form
    1,837,119.40/2,757,752.70 = 1,418,252.20/x
  3. Step 3: Cross multiply
    1,837,119.40x = 2,757,752.70 × 1,418,252.20
  4. Step 4: Simplify right side
    1,837,119.40x = 3,911,188,833,830.94
  5. Step 5: Solve for x
    x = 3,911,188,833,830.94/1,837,119.40
  6. Step 6: Final answer
    x = 2,128,979.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.