Home / 6,670,975.95-9,205,954.69-3,615,190.20

Finding the Fourth Proportional to 6,670,975.95, 9,205,954.69 and 3,615,190.20

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Solution

The fourth proportional to 6,670,975.95, 9,205,954.69 and 3,615,190.20 is: 4,988,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,975.95 : 9,205,954.69 = 3,615,190.20 : x
  2. Step 2: Convert to fraction form
    6,670,975.95/9,205,954.69 = 3,615,190.20/x
  3. Step 3: Cross multiply
    6,670,975.95x = 9,205,954.69 × 3,615,190.20
  4. Step 4: Simplify right side
    6,670,975.95x = 33,281,277,209,194.88
  5. Step 5: Solve for x
    x = 33,281,277,209,194.88/6,670,975.95
  6. Step 6: Final answer
    x = 4,988,966.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.