Home / 5,445,772.80-8,168,659.20-4,689,945.60

Finding the Fourth Proportional to 5,445,772.80, 8,168,659.20 and 4,689,945.60

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Solution

The fourth proportional to 5,445,772.80, 8,168,659.20 and 4,689,945.60 is: 7,034,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445,772.80 : 8,168,659.20 = 4,689,945.60 : x
  2. Step 2: Convert to fraction form
    5,445,772.80/8,168,659.20 = 4,689,945.60/x
  3. Step 3: Cross multiply
    5,445,772.80x = 8,168,659.20 × 4,689,945.60
  4. Step 4: Simplify right side
    5,445,772.80x = 38,310,567,272,939.52
  5. Step 5: Solve for x
    x = 38,310,567,272,939.52/5,445,772.80
  6. Step 6: Final answer
    x = 7,034,918.40

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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.