Home / 2,778,945.60-4,167,381.60-1,095,700.80

Finding the Fourth Proportional to 2,778,945.60, 4,167,381.60 and 1,095,700.80

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Solution

The fourth proportional to 2,778,945.60, 4,167,381.60 and 1,095,700.80 is: 1,643,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,945.60 : 4,167,381.60 = 1,095,700.80 : x
  2. Step 2: Convert to fraction form
    2,778,945.60/4,167,381.60 = 1,095,700.80/x
  3. Step 3: Cross multiply
    2,778,945.60x = 4,167,381.60 × 1,095,700.80
  4. Step 4: Simplify right side
    2,778,945.60x = 4,566,203,353,025.28
  5. Step 5: Solve for x
    x = 4,566,203,353,025.28/2,778,945.60
  6. Step 6: Final answer
    x = 1,643,142.40

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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.