Home / 1,672,636.80-2,308,286.14-947,484.34

Finding the Fourth Proportional to 1,672,636.80, 2,308,286.14 and 947,484.34

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Solution

The fourth proportional to 1,672,636.80, 2,308,286.14 and 947,484.34 is: 1,307,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,636.80 : 2,308,286.14 = 947,484.34 : x
  2. Step 2: Convert to fraction form
    1,672,636.80/2,308,286.14 = 947,484.34/x
  3. Step 3: Cross multiply
    1,672,636.80x = 2,308,286.14 × 947,484.34
  4. Step 4: Simplify right side
    1,672,636.80x = 2,187,064,969,889.05
  5. Step 5: Solve for x
    x = 2,187,064,969,889.05/1,672,636.80
  6. Step 6: Final answer
    x = 1,307,555.21

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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.