Home / 2,238,746.43-3,357,131.45-640,946.91

Finding the Fourth Proportional to 2,238,746.43, 3,357,131.45 and 640,946.91

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Solution

The fourth proportional to 2,238,746.43, 3,357,131.45 and 640,946.91 is: 961,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,746.43 : 3,357,131.45 = 640,946.91 : x
  2. Step 2: Convert to fraction form
    2,238,746.43/3,357,131.45 = 640,946.91/x
  3. Step 3: Cross multiply
    2,238,746.43x = 3,357,131.45 × 640,946.91
  4. Step 4: Simplify right side
    2,238,746.43x = 2,151,743,026,136.59
  5. Step 5: Solve for x
    x = 2,151,743,026,136.59/2,238,746.43
  6. Step 6: Final answer
    x = 961,137.45

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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.