Home / 2,688,090.80-4,032,136.20-1,192,182.80

Finding the Fourth Proportional to 2,688,090.80, 4,032,136.20 and 1,192,182.80

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Solution

The fourth proportional to 2,688,090.80, 4,032,136.20 and 1,192,182.80 is: 1,788,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,090.80 : 4,032,136.20 = 1,192,182.80 : x
  2. Step 2: Convert to fraction form
    2,688,090.80/4,032,136.20 = 1,192,182.80/x
  3. Step 3: Cross multiply
    2,688,090.80x = 4,032,136.20 × 1,192,182.80
  4. Step 4: Simplify right side
    2,688,090.80x = 4,807,043,424,897.36
  5. Step 5: Solve for x
    x = 4,807,043,424,897.36/2,688,090.80
  6. Step 6: Final answer
    x = 1,788,274.20

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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.