Home / 4,920,337.90-7,380,506.85-3,020,920.30

Finding the Fourth Proportional to 4,920,337.90, 7,380,506.85 and 3,020,920.30

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Solution

The fourth proportional to 4,920,337.90, 7,380,506.85 and 3,020,920.30 is: 4,531,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,337.90 : 7,380,506.85 = 3,020,920.30 : x
  2. Step 2: Convert to fraction form
    4,920,337.90/7,380,506.85 = 3,020,920.30/x
  3. Step 3: Cross multiply
    4,920,337.90x = 7,380,506.85 × 3,020,920.30
  4. Step 4: Simplify right side
    4,920,337.90x = 22,295,922,967,454.05
  5. Step 5: Solve for x
    x = 22,295,922,967,454.05/4,920,337.90
  6. Step 6: Final answer
    x = 4,531,380.45

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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.