Home / 1,438,205.53-2,157,382.64-1,365,480.28

Finding the Fourth Proportional to 1,438,205.53, 2,157,382.64 and 1,365,480.28

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Solution

The fourth proportional to 1,438,205.53, 2,157,382.64 and 1,365,480.28 is: 2,048,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,205.53 : 2,157,382.64 = 1,365,480.28 : x
  2. Step 2: Convert to fraction form
    1,438,205.53/2,157,382.64 = 1,365,480.28/x
  3. Step 3: Cross multiply
    1,438,205.53x = 2,157,382.64 × 1,365,480.28
  4. Step 4: Simplify right side
    1,438,205.53x = 2,945,863,451,334.34
  5. Step 5: Solve for x
    x = 2,945,863,451,334.34/1,438,205.53
  6. Step 6: Final answer
    x = 2,048,291.01

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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.