Home / 1,731,664.80-2,600,996.40-1,672,178.40

Finding the Fourth Proportional to 1,731,664.80, 2,600,996.40 and 1,672,178.40

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Solution

The fourth proportional to 1,731,664.80, 2,600,996.40 and 1,672,178.40 is: 2,511,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,664.80 : 2,600,996.40 = 1,672,178.40 : x
  2. Step 2: Convert to fraction form
    1,731,664.80/2,600,996.40 = 1,672,178.40/x
  3. Step 3: Cross multiply
    1,731,664.80x = 2,600,996.40 × 1,672,178.40
  4. Step 4: Simplify right side
    1,731,664.80x = 4,349,329,998,557.76
  5. Step 5: Solve for x
    x = 4,349,329,998,557.76/1,731,664.80
  6. Step 6: Final answer
    x = 2,511,646.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.