Home / 3,408,740.48-5,112,732.90-1,220,223.44

Finding the Fourth Proportional to 3,408,740.48, 5,112,732.90 and 1,220,223.44

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Solution

The fourth proportional to 3,408,740.48, 5,112,732.90 and 1,220,223.44 is: 1,830,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,740.48 : 5,112,732.90 = 1,220,223.44 : x
  2. Step 2: Convert to fraction form
    3,408,740.48/5,112,732.90 = 1,220,223.44/x
  3. Step 3: Cross multiply
    3,408,740.48x = 5,112,732.90 × 1,220,223.44
  4. Step 4: Simplify right side
    3,408,740.48x = 6,238,676,527,039.18
  5. Step 5: Solve for x
    x = 6,238,676,527,039.18/3,408,740.48
  6. Step 6: Final answer
    x = 1,830,199.91

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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.