Home / 2,816,009.60-4,224,014.40-821,667.20

Finding the Fourth Proportional to 2,816,009.60, 4,224,014.40 and 821,667.20

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Solution

The fourth proportional to 2,816,009.60, 4,224,014.40 and 821,667.20 is: 1,232,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,009.60 : 4,224,014.40 = 821,667.20 : x
  2. Step 2: Convert to fraction form
    2,816,009.60/4,224,014.40 = 821,667.20/x
  3. Step 3: Cross multiply
    2,816,009.60x = 4,224,014.40 × 821,667.20
  4. Step 4: Simplify right side
    2,816,009.60x = 3,470,734,084,807.68
  5. Step 5: Solve for x
    x = 3,470,734,084,807.68/2,816,009.60
  6. Step 6: Final answer
    x = 1,232,500.80

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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.