Home / 1,877,939.01-2,815,961.31-1,337,886.72

Finding the Fourth Proportional to 1,877,939.01, 2,815,961.31 and 1,337,886.72

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Solution

The fourth proportional to 1,877,939.01, 2,815,961.31 and 1,337,886.72 is: 2,006,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,939.01 : 2,815,961.31 = 1,337,886.72 : x
  2. Step 2: Convert to fraction form
    1,877,939.01/2,815,961.31 = 1,337,886.72/x
  3. Step 3: Cross multiply
    1,877,939.01x = 2,815,961.31 × 1,337,886.72
  4. Step 4: Simplify right side
    1,877,939.01x = 3,767,437,240,682.80
  5. Step 5: Solve for x
    x = 3,767,437,240,682.80/1,877,939.01
  6. Step 6: Final answer
    x = 2,006,155.27

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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.