Home / 4,984,620.12-7,476,989.72-1,390,168.37

Finding the Fourth Proportional to 4,984,620.12, 7,476,989.72 and 1,390,168.37

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Solution

The fourth proportional to 4,984,620.12, 7,476,989.72 and 1,390,168.37 is: 2,085,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984,620.12 : 7,476,989.72 = 1,390,168.37 : x
  2. Step 2: Convert to fraction form
    4,984,620.12/7,476,989.72 = 1,390,168.37/x
  3. Step 3: Cross multiply
    4,984,620.12x = 7,476,989.72 × 1,390,168.37
  4. Step 4: Simplify right side
    4,984,620.12x = 10,394,274,623,300.79
  5. Step 5: Solve for x
    x = 10,394,274,623,300.79/4,984,620.12
  6. Step 6: Final answer
    x = 2,085,269.16

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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.