Home / 1,877,067-2,592,490.86-1,272,405.24

Finding the Fourth Proportional to 1,877,067, 2,592,490.86 and 1,272,405.24

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Solution

The fourth proportional to 1,877,067, 2,592,490.86 and 1,272,405.24 is: 1,757,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,067 : 2,592,490.86 = 1,272,405.24 : x
  2. Step 2: Convert to fraction form
    1,877,067/2,592,490.86 = 1,272,405.24/x
  3. Step 3: Cross multiply
    1,877,067x = 2,592,490.86 × 1,272,405.24
  4. Step 4: Simplify right side
    1,877,067x = 3,298,698,954,916.11
  5. Step 5: Solve for x
    x = 3,298,698,954,916.11/1,877,067
  6. Step 6: Final answer
    x = 1,757,368.79

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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.