Home / 3,408,853.21-4,705,920.53-2,120,109.01

Finding the Fourth Proportional to 3,408,853.21, 4,705,920.53 and 2,120,109.01

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Solution

The fourth proportional to 3,408,853.21, 4,705,920.53 and 2,120,109.01 is: 2,926,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,853.21 : 4,705,920.53 = 2,120,109.01 : x
  2. Step 2: Convert to fraction form
    3,408,853.21/4,705,920.53 = 2,120,109.01/x
  3. Step 3: Cross multiply
    3,408,853.21x = 4,705,920.53 × 2,120,109.01
  4. Step 4: Simplify right side
    3,408,853.21x = 9,977,064,501,582.04
  5. Step 5: Solve for x
    x = 9,977,064,501,582.04/3,408,853.21
  6. Step 6: Final answer
    x = 2,926,809.66

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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.