Home / 6,117,307.60-9,175,961.40-2,128,219.60

Finding the Fourth Proportional to 6,117,307.60, 9,175,961.40 and 2,128,219.60

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Solution

The fourth proportional to 6,117,307.60, 9,175,961.40 and 2,128,219.60 is: 3,192,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117,307.60 : 9,175,961.40 = 2,128,219.60 : x
  2. Step 2: Convert to fraction form
    6,117,307.60/9,175,961.40 = 2,128,219.60/x
  3. Step 3: Cross multiply
    6,117,307.60x = 9,175,961.40 × 2,128,219.60
  4. Step 4: Simplify right side
    6,117,307.60x = 19,528,460,900,323.44
  5. Step 5: Solve for x
    x = 19,528,460,900,323.44/6,117,307.60
  6. Step 6: Final answer
    x = 3,192,329.40

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Double scale
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Similar ratio
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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.