Home / 1,672,827.87-2,308,427.22-947,660.79

Finding the Fourth Proportional to 1,672,827.87, 2,308,427.22 and 947,660.79

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Solution

The fourth proportional to 1,672,827.87, 2,308,427.22 and 947,660.79 is: 1,307,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,827.87 : 2,308,427.22 = 947,660.79 : x
  2. Step 2: Convert to fraction form
    1,672,827.87/2,308,427.22 = 947,660.79/x
  3. Step 3: Cross multiply
    1,672,827.87x = 2,308,427.22 × 947,660.79
  4. Step 4: Simplify right side
    1,672,827.87x = 2,187,605,962,962.70
  5. Step 5: Solve for x
    x = 2,187,605,962,962.70/1,672,827.87
  6. Step 6: Final answer
    x = 1,307,729.27

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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.