Home / 2,945,476.80-4,064,732.52-1,656,289.72

Finding the Fourth Proportional to 2,945,476.80, 4,064,732.52 and 1,656,289.72

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Solution

The fourth proportional to 2,945,476.80, 4,064,732.52 and 1,656,289.72 is: 2,285,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,476.80 : 4,064,732.52 = 1,656,289.72 : x
  2. Step 2: Convert to fraction form
    2,945,476.80/4,064,732.52 = 1,656,289.72/x
  3. Step 3: Cross multiply
    2,945,476.80x = 4,064,732.52 × 1,656,289.72
  4. Step 4: Simplify right side
    2,945,476.80x = 6,732,374,687,425.69
  5. Step 5: Solve for x
    x = 6,732,374,687,425.69/2,945,476.80
  6. Step 6: Final answer
    x = 2,285,665.49

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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.