Home / 2,816,015.10-4,224,022.65-821,672.70

Finding the Fourth Proportional to 2,816,015.10, 4,224,022.65 and 821,672.70

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Solution

The fourth proportional to 2,816,015.10, 4,224,022.65 and 821,672.70 is: 1,232,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,015.10 : 4,224,022.65 = 821,672.70 : x
  2. Step 2: Convert to fraction form
    2,816,015.10/4,224,022.65 = 821,672.70/x
  3. Step 3: Cross multiply
    2,816,015.10x = 4,224,022.65 × 821,672.70
  4. Step 4: Simplify right side
    2,816,015.10x = 3,470,764,095,686.66
  5. Step 5: Solve for x
    x = 3,470,764,095,686.66/2,816,015.10
  6. Step 6: Final answer
    x = 1,232,509.05

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1.5x scale

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.