Home / 1,877,285.40-2,590,638.21-1,061,649.21

Finding the Fourth Proportional to 1,877,285.40, 2,590,638.21 and 1,061,649.21

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Solution

The fourth proportional to 1,877,285.40, 2,590,638.21 and 1,061,649.21 is: 1,465,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,285.40 : 2,590,638.21 = 1,061,649.21 : x
  2. Step 2: Convert to fraction form
    1,877,285.40/2,590,638.21 = 1,061,649.21/x
  3. Step 3: Cross multiply
    1,877,285.40x = 2,590,638.21 × 1,061,649.21
  4. Step 4: Simplify right side
    1,877,285.40x = 2,750,349,009,042.31
  5. Step 5: Solve for x
    x = 2,750,349,009,042.31/1,877,285.40
  6. Step 6: Final answer
    x = 1,465,067.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.