Home / 1,672,019.88-2,307,537.90-947,043.96

Finding the Fourth Proportional to 1,672,019.88, 2,307,537.90 and 947,043.96

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Solution

The fourth proportional to 1,672,019.88, 2,307,537.90 and 947,043.96 is: 1,307,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,019.88 : 2,307,537.90 = 947,043.96 : x
  2. Step 2: Convert to fraction form
    1,672,019.88/2,307,537.90 = 947,043.96/x
  3. Step 3: Cross multiply
    1,672,019.88x = 2,307,537.90 × 947,043.96
  4. Step 4: Simplify right side
    1,672,019.88x = 2,185,339,830,666.08
  5. Step 5: Solve for x
    x = 2,185,339,830,666.08/1,672,019.88
  6. Step 6: Final answer
    x = 1,307,005.89

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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.