Home / 1,877,285.89-2,590,638.90-1,061,649.71

Finding the Fourth Proportional to 1,877,285.89, 2,590,638.90 and 1,061,649.71

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Solution

The fourth proportional to 1,877,285.89, 2,590,638.90 and 1,061,649.71 is: 1,465,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,285.89 : 2,590,638.90 = 1,061,649.71 : x
  2. Step 2: Convert to fraction form
    1,877,285.89/2,590,638.90 = 1,061,649.71/x
  3. Step 3: Cross multiply
    1,877,285.89x = 2,590,638.90 × 1,061,649.71
  4. Step 4: Simplify right side
    1,877,285.89x = 2,750,351,036,899.72
  5. Step 5: Solve for x
    x = 2,750,351,036,899.72/1,877,285.89
  6. Step 6: Final answer
    x = 1,465,067.76

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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.