Home / 1,515,614.40-2,266,860.60-1,356,838.20

Finding the Fourth Proportional to 1,515,614.40, 2,266,860.60 and 1,356,838.20

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Solution

The fourth proportional to 1,515,614.40, 2,266,860.60 and 1,356,838.20 is: 2,029,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,614.40 : 2,266,860.60 = 1,356,838.20 : x
  2. Step 2: Convert to fraction form
    1,515,614.40/2,266,860.60 = 1,356,838.20/x
  3. Step 3: Cross multiply
    1,515,614.40x = 2,266,860.60 × 1,356,838.20
  4. Step 4: Simplify right side
    1,515,614.40x = 3,075,763,056,154.92
  5. Step 5: Solve for x
    x = 3,075,763,056,154.92/1,515,614.40
  6. Step 6: Final answer
    x = 2,029,383.63

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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.