Home / 1,635,851.50-2,257,423.79-947,536.80

Finding the Fourth Proportional to 1,635,851.50, 2,257,423.79 and 947,536.80

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Solution

The fourth proportional to 1,635,851.50, 2,257,423.79 and 947,536.80 is: 1,307,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,851.50 : 2,257,423.79 = 947,536.80 : x
  2. Step 2: Convert to fraction form
    1,635,851.50/2,257,423.79 = 947,536.80/x
  3. Step 3: Cross multiply
    1,635,851.50x = 2,257,423.79 × 947,536.80
  4. Step 4: Simplify right side
    1,635,851.50x = 2,138,992,101,017.45
  5. Step 5: Solve for x
    x = 2,138,992,101,017.45/1,635,851.50
  6. Step 6: Final answer
    x = 1,307,571.07

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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.