Home / 2,912,506.28-4,019,190.18-1,689,030.44

Finding the Fourth Proportional to 2,912,506.28, 4,019,190.18 and 1,689,030.44

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Solution

The fourth proportional to 2,912,506.28, 4,019,190.18 and 1,689,030.44 is: 2,330,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,506.28 : 4,019,190.18 = 1,689,030.44 : x
  2. Step 2: Convert to fraction form
    2,912,506.28/4,019,190.18 = 1,689,030.44/x
  3. Step 3: Cross multiply
    2,912,506.28x = 4,019,190.18 × 1,689,030.44
  4. Step 4: Simplify right side
    2,912,506.28x = 6,788,534,558,169.08
  5. Step 5: Solve for x
    x = 6,788,534,558,169.08/2,912,506.28
  6. Step 6: Final answer
    x = 2,330,822.29

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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.