Home / 3,780,497.76-5,217,095.16-2,148,915.12

Finding the Fourth Proportional to 3,780,497.76, 5,217,095.16 and 2,148,915.12

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Solution

The fourth proportional to 3,780,497.76, 5,217,095.16 and 2,148,915.12 is: 2,965,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,497.76 : 5,217,095.16 = 2,148,915.12 : x
  2. Step 2: Convert to fraction form
    3,780,497.76/5,217,095.16 = 2,148,915.12/x
  3. Step 3: Cross multiply
    3,780,497.76x = 5,217,095.16 × 2,148,915.12
  4. Step 4: Simplify right side
    3,780,497.76x = 11,211,094,671,802.82
  5. Step 5: Solve for x
    x = 11,211,094,671,802.82/3,780,497.76
  6. Step 6: Final answer
    x = 2,965,507.56

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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.