Home / 3,768,400.80-5,200,417.56-2,049,533.76

Finding the Fourth Proportional to 3,768,400.80, 5,200,417.56 and 2,049,533.76

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Solution

The fourth proportional to 3,768,400.80, 5,200,417.56 and 2,049,533.76 is: 2,828,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,400.80 : 5,200,417.56 = 2,049,533.76 : x
  2. Step 2: Convert to fraction form
    3,768,400.80/5,200,417.56 = 2,049,533.76/x
  3. Step 3: Cross multiply
    3,768,400.80x = 5,200,417.56 × 2,049,533.76
  4. Step 4: Simplify right side
    3,768,400.80x = 10,658,431,355,316.82
  5. Step 5: Solve for x
    x = 10,658,431,355,316.82/3,768,400.80
  6. Step 6: Final answer
    x = 2,828,369.89

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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.