Home / 2,316,115.78-3,196,240.08-1,283,690.22

Finding the Fourth Proportional to 2,316,115.78, 3,196,240.08 and 1,283,690.22

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Solution

The fourth proportional to 2,316,115.78, 3,196,240.08 and 1,283,690.22 is: 1,771,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,115.78 : 3,196,240.08 = 1,283,690.22 : x
  2. Step 2: Convert to fraction form
    2,316,115.78/3,196,240.08 = 1,283,690.22/x
  3. Step 3: Cross multiply
    2,316,115.78x = 3,196,240.08 × 1,283,690.22
  4. Step 4: Simplify right side
    2,316,115.78x = 4,102,982,131,468.02
  5. Step 5: Solve for x
    x = 4,102,982,131,468.02/2,316,115.78
  6. Step 6: Final answer
    x = 1,771,492.67

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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.