Home / 2,209,881.40-3,314,822.10-1,855,295.80

Finding the Fourth Proportional to 2,209,881.40, 3,314,822.10 and 1,855,295.80

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Solution

The fourth proportional to 2,209,881.40, 3,314,822.10 and 1,855,295.80 is: 2,782,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,881.40 : 3,314,822.10 = 1,855,295.80 : x
  2. Step 2: Convert to fraction form
    2,209,881.40/3,314,822.10 = 1,855,295.80/x
  3. Step 3: Cross multiply
    2,209,881.40x = 3,314,822.10 × 1,855,295.80
  4. Step 4: Simplify right side
    2,209,881.40x = 6,149,975,519,877.18
  5. Step 5: Solve for x
    x = 6,149,975,519,877.18/2,209,881.40
  6. Step 6: Final answer
    x = 2,782,943.70

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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.