Home / 2,772,027.90-4,158,041.85-1,921,722.30

Finding the Fourth Proportional to 2,772,027.90, 4,158,041.85 and 1,921,722.30

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Solution

The fourth proportional to 2,772,027.90, 4,158,041.85 and 1,921,722.30 is: 2,882,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,027.90 : 4,158,041.85 = 1,921,722.30 : x
  2. Step 2: Convert to fraction form
    2,772,027.90/4,158,041.85 = 1,921,722.30/x
  3. Step 3: Cross multiply
    2,772,027.90x = 4,158,041.85 × 1,921,722.30
  4. Step 4: Simplify right side
    2,772,027.90x = 7,990,601,747,478.26
  5. Step 5: Solve for x
    x = 7,990,601,747,478.26/2,772,027.90
  6. Step 6: Final answer
    x = 2,882,583.45

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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.