Home / 2,148,075.88-3,220,100.70-727,137.64

Finding the Fourth Proportional to 2,148,075.88, 3,220,100.70 and 727,137.64

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Solution

The fourth proportional to 2,148,075.88, 3,220,100.70 and 727,137.64 is: 1,090,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,075.88 : 3,220,100.70 = 727,137.64 : x
  2. Step 2: Convert to fraction form
    2,148,075.88/3,220,100.70 = 727,137.64/x
  3. Step 3: Cross multiply
    2,148,075.88x = 3,220,100.70 × 727,137.64
  4. Step 4: Simplify right side
    2,148,075.88x = 2,341,456,423,560.35
  5. Step 5: Solve for x
    x = 2,341,456,423,560.35/2,148,075.88
  6. Step 6: Final answer
    x = 1,090,025.01

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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.