Home / 3,150,985.20-4,728,810.60-1,259,084.40

Finding the Fourth Proportional to 3,150,985.20, 4,728,810.60 and 1,259,084.40

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Solution

The fourth proportional to 3,150,985.20, 4,728,810.60 and 1,259,084.40 is: 1,889,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,985.20 : 4,728,810.60 = 1,259,084.40 : x
  2. Step 2: Convert to fraction form
    3,150,985.20/4,728,810.60 = 1,259,084.40/x
  3. Step 3: Cross multiply
    3,150,985.20x = 4,728,810.60 × 1,259,084.40
  4. Step 4: Simplify right side
    3,150,985.20x = 5,953,971,657,014.64
  5. Step 5: Solve for x
    x = 5,953,971,657,014.64/3,150,985.20
  6. Step 6: Final answer
    x = 1,889,558.75

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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.