Home / 2,184,028.80-3,013,914.24-1,217,155.20

Finding the Fourth Proportional to 2,184,028.80, 3,013,914.24 and 1,217,155.20

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Solution

The fourth proportional to 2,184,028.80, 3,013,914.24 and 1,217,155.20 is: 1,679,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,028.80 : 3,013,914.24 = 1,217,155.20 : x
  2. Step 2: Convert to fraction form
    2,184,028.80/3,013,914.24 = 1,217,155.20/x
  3. Step 3: Cross multiply
    2,184,028.80x = 3,013,914.24 × 1,217,155.20
  4. Step 4: Simplify right side
    2,184,028.80x = 3,668,401,389,570.05
  5. Step 5: Solve for x
    x = 3,668,401,389,570.05/2,184,028.80
  6. Step 6: Final answer
    x = 1,679,648.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.