Home / 3,218,808.60-4,828,212.90-1,224,005.40

Finding the Fourth Proportional to 3,218,808.60, 4,828,212.90 and 1,224,005.40

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Solution

The fourth proportional to 3,218,808.60, 4,828,212.90 and 1,224,005.40 is: 1,836,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,808.60 : 4,828,212.90 = 1,224,005.40 : x
  2. Step 2: Convert to fraction form
    3,218,808.60/4,828,212.90 = 1,224,005.40/x
  3. Step 3: Cross multiply
    3,218,808.60x = 4,828,212.90 × 1,224,005.40
  4. Step 4: Simplify right side
    3,218,808.60x = 5,909,758,661,949.66
  5. Step 5: Solve for x
    x = 5,909,758,661,949.66/3,218,808.60
  6. Step 6: Final answer
    x = 1,836,008.10

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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.