Home / 2,136,638.10-2,948,569.21-1,169,858.35

Finding the Fourth Proportional to 2,136,638.10, 2,948,569.21 and 1,169,858.35

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Solution

The fourth proportional to 2,136,638.10, 2,948,569.21 and 1,169,858.35 is: 1,614,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,638.10 : 2,948,569.21 = 1,169,858.35 : x
  2. Step 2: Convert to fraction form
    2,136,638.10/2,948,569.21 = 1,169,858.35/x
  3. Step 3: Cross multiply
    2,136,638.10x = 2,948,569.21 × 1,169,858.35
  4. Step 4: Simplify right side
    2,136,638.10x = 3,449,408,302,723.85
  5. Step 5: Solve for x
    x = 3,449,408,302,723.85/2,136,638.10
  6. Step 6: Final answer
    x = 1,614,409.25

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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.