Home / 2,987,948.20-4,476,017.40-1,637,694.40

Finding the Fourth Proportional to 2,987,948.20, 4,476,017.40 and 1,637,694.40

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Solution

The fourth proportional to 2,987,948.20, 4,476,017.40 and 1,637,694.40 is: 2,453,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,948.20 : 4,476,017.40 = 1,637,694.40 : x
  2. Step 2: Convert to fraction form
    2,987,948.20/4,476,017.40 = 1,637,694.40/x
  3. Step 3: Cross multiply
    2,987,948.20x = 4,476,017.40 × 1,637,694.40
  4. Step 4: Simplify right side
    2,987,948.20x = 7,330,348,630,282.56
  5. Step 5: Solve for x
    x = 7,330,348,630,282.56/2,987,948.20
  6. Step 6: Final answer
    x = 2,453,305.12

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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.