Home / 2,757,152.40-4,135,728.60-1,995,420.30

Finding the Fourth Proportional to 2,757,152.40, 4,135,728.60 and 1,995,420.30

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Solution

The fourth proportional to 2,757,152.40, 4,135,728.60 and 1,995,420.30 is: 2,993,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,152.40 : 4,135,728.60 = 1,995,420.30 : x
  2. Step 2: Convert to fraction form
    2,757,152.40/4,135,728.60 = 1,995,420.30/x
  3. Step 3: Cross multiply
    2,757,152.40x = 4,135,728.60 × 1,995,420.30
  4. Step 4: Simplify right side
    2,757,152.40x = 8,252,516,803,730.58
  5. Step 5: Solve for x
    x = 8,252,516,803,730.58/2,757,152.40
  6. Step 6: Final answer
    x = 2,993,130.45

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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.