Home / 2,987,752.20-4,475,723.40-1,637,498.40

Finding the Fourth Proportional to 2,987,752.20, 4,475,723.40 and 1,637,498.40

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Solution

The fourth proportional to 2,987,752.20, 4,475,723.40 and 1,637,498.40 is: 2,453,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,752.20 : 4,475,723.40 = 1,637,498.40 : x
  2. Step 2: Convert to fraction form
    2,987,752.20/4,475,723.40 = 1,637,498.40/x
  3. Step 3: Cross multiply
    2,987,752.20x = 4,475,723.40 × 1,637,498.40
  4. Step 4: Simplify right side
    2,987,752.20x = 7,328,989,906,342.56
  5. Step 5: Solve for x
    x = 7,328,989,906,342.56/2,987,752.20
  6. Step 6: Final answer
    x = 2,453,011.30

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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.