Home / 3,937,851-5,434,236.54-2,127,015

Finding the Fourth Proportional to 3,937,851, 5,434,236.54 and 2,127,015

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Solution

The fourth proportional to 3,937,851, 5,434,236.54 and 2,127,015 is: 2,935,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,851 : 5,434,236.54 = 2,127,015 : x
  2. Step 2: Convert to fraction form
    3,937,851/5,434,236.54 = 2,127,015/x
  3. Step 3: Cross multiply
    3,937,851x = 5,434,236.54 × 2,127,015
  4. Step 4: Simplify right side
    3,937,851x = 11,558,702,634,128.10
  5. Step 5: Solve for x
    x = 11,558,702,634,128.10/3,937,851
  6. Step 6: Final answer
    x = 2,935,281.87

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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.