Home / 2,772,075.15-4,158,112.73-1,921,769.55

Finding the Fourth Proportional to 2,772,075.15, 4,158,112.73 and 1,921,769.55

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Solution

The fourth proportional to 2,772,075.15, 4,158,112.73 and 1,921,769.55 is: 2,882,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,075.15 : 4,158,112.73 = 1,921,769.55 : x
  2. Step 2: Convert to fraction form
    2,772,075.15/4,158,112.73 = 1,921,769.55/x
  3. Step 3: Cross multiply
    2,772,075.15x = 4,158,112.73 × 1,921,769.55
  4. Step 4: Simplify right side
    2,772,075.15x = 7,990,934,429,981.37
  5. Step 5: Solve for x
    x = 7,990,934,429,981.37/2,772,075.15
  6. Step 6: Final answer
    x = 2,882,654.33

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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.