Home / 1,672,829.51-2,308,429.47-947,662.43

Finding the Fourth Proportional to 1,672,829.51, 2,308,429.47 and 947,662.43

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Solution

The fourth proportional to 1,672,829.51, 2,308,429.47 and 947,662.43 is: 1,307,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,829.51 : 2,308,429.47 = 947,662.43 : x
  2. Step 2: Convert to fraction form
    1,672,829.51/2,308,429.47 = 947,662.43/x
  3. Step 3: Cross multiply
    1,672,829.51x = 2,308,429.47 × 947,662.43
  4. Step 4: Simplify right side
    1,672,829.51x = 2,187,611,869,481.67
  5. Step 5: Solve for x
    x = 2,187,611,869,481.67/1,672,829.51
  6. Step 6: Final answer
    x = 1,307,731.52

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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.