Home / 5,390,390.40-8,085,585.60-2,695,131.60

Finding the Fourth Proportional to 5,390,390.40, 8,085,585.60 and 2,695,131.60

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Solution

The fourth proportional to 5,390,390.40, 8,085,585.60 and 2,695,131.60 is: 4,042,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,390.40 : 8,085,585.60 = 2,695,131.60 : x
  2. Step 2: Convert to fraction form
    5,390,390.40/8,085,585.60 = 2,695,131.60/x
  3. Step 3: Cross multiply
    5,390,390.40x = 8,085,585.60 × 2,695,131.60
  4. Step 4: Simplify right side
    5,390,390.40x = 21,791,717,255,064.96
  5. Step 5: Solve for x
    x = 21,791,717,255,064.96/5,390,390.40
  6. Step 6: Final answer
    x = 4,042,697.40

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Similar ratio
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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.