Home / 4,268,808.56-6,403,661.40-1,390,399.52

Finding the Fourth Proportional to 4,268,808.56, 6,403,661.40 and 1,390,399.52

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Solution

The fourth proportional to 4,268,808.56, 6,403,661.40 and 1,390,399.52 is: 2,085,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,808.56 : 6,403,661.40 = 1,390,399.52 : x
  2. Step 2: Convert to fraction form
    4,268,808.56/6,403,661.40 = 1,390,399.52/x
  3. Step 3: Cross multiply
    4,268,808.56x = 6,403,661.40 × 1,390,399.52
  4. Step 4: Simplify right side
    4,268,808.56x = 8,903,647,736,802.53
  5. Step 5: Solve for x
    x = 8,903,647,736,802.53/4,268,808.56
  6. Step 6: Final answer
    x = 2,085,745.38

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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.