Home / 5,390,297.20-8,085,445.80-4,433,703.40

Finding the Fourth Proportional to 5,390,297.20, 8,085,445.80 and 4,433,703.40

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Solution

The fourth proportional to 5,390,297.20, 8,085,445.80 and 4,433,703.40 is: 6,650,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,297.20 : 8,085,445.80 = 4,433,703.40 : x
  2. Step 2: Convert to fraction form
    5,390,297.20/8,085,445.80 = 4,433,703.40/x
  3. Step 3: Cross multiply
    5,390,297.20x = 8,085,445.80 × 4,433,703.40
  4. Step 4: Simplify right side
    5,390,297.20x = 35,848,468,533,975.72
  5. Step 5: Solve for x
    x = 35,848,468,533,975.72/5,390,297.20
  6. Step 6: Final answer
    x = 6,650,555.10

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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.