Home / 3,078,030.21-4,616,826.34-947,892.21

Finding the Fourth Proportional to 3,078,030.21, 4,616,826.34 and 947,892.21

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Solution

The fourth proportional to 3,078,030.21, 4,616,826.34 and 947,892.21 is: 1,421,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,030.21 : 4,616,826.34 = 947,892.21 : x
  2. Step 2: Convert to fraction form
    3,078,030.21/4,616,826.34 = 947,892.21/x
  3. Step 3: Cross multiply
    3,078,030.21x = 4,616,826.34 × 947,892.21
  4. Step 4: Simplify right side
    3,078,030.21x = 4,376,253,722,608.81
  5. Step 5: Solve for x
    x = 4,376,253,722,608.81/3,078,030.21
  6. Step 6: Final answer
    x = 1,421,770.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.