Home / 3,150,828.40-4,720,021.80-1,884,895.60

Finding the Fourth Proportional to 3,150,828.40, 4,720,021.80 and 1,884,895.60

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Solution

The fourth proportional to 3,150,828.40, 4,720,021.80 and 1,884,895.60 is: 2,823,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,828.40 : 4,720,021.80 = 1,884,895.60 : x
  2. Step 2: Convert to fraction form
    3,150,828.40/4,720,021.80 = 1,884,895.60/x
  3. Step 3: Cross multiply
    3,150,828.40x = 4,720,021.80 × 1,884,895.60
  4. Step 4: Simplify right side
    3,150,828.40x = 8,896,748,322,724.08
  5. Step 5: Solve for x
    x = 8,896,748,322,724.08/3,150,828.40
  6. Step 6: Final answer
    x = 2,823,621.98

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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.