Home / 4,734,218.40-7,101,327.60-2,939,128.80

Finding the Fourth Proportional to 4,734,218.40, 7,101,327.60 and 2,939,128.80

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Solution

The fourth proportional to 4,734,218.40, 7,101,327.60 and 2,939,128.80 is: 4,408,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734,218.40 : 7,101,327.60 = 2,939,128.80 : x
  2. Step 2: Convert to fraction form
    4,734,218.40/7,101,327.60 = 2,939,128.80/x
  3. Step 3: Cross multiply
    4,734,218.40x = 7,101,327.60 × 2,939,128.80
  4. Step 4: Simplify right side
    4,734,218.40x = 20,871,716,467,394.88
  5. Step 5: Solve for x
    x = 20,871,716,467,394.88/4,734,218.40
  6. Step 6: Final answer
    x = 4,408,693.20

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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.