Home / 5,302,043.78-7,316,371.50-2,978,754.26

Finding the Fourth Proportional to 5,302,043.78, 7,316,371.50 and 2,978,754.26

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Solution

The fourth proportional to 5,302,043.78, 7,316,371.50 and 2,978,754.26 is: 4,110,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,043.78 : 7,316,371.50 = 2,978,754.26 : x
  2. Step 2: Convert to fraction form
    5,302,043.78/7,316,371.50 = 2,978,754.26/x
  3. Step 3: Cross multiply
    5,302,043.78x = 7,316,371.50 × 2,978,754.26
  4. Step 4: Simplify right side
    5,302,043.78x = 21,793,672,773,367.59
  5. Step 5: Solve for x
    x = 21,793,672,773,367.59/5,302,043.78
  6. Step 6: Final answer
    x = 4,110,428.67

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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.