Home / 5,343,934.60-8,020,913.10-2,821,400.20

Finding the Fourth Proportional to 5,343,934.60, 8,020,913.10 and 2,821,400.20

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Solution

The fourth proportional to 5,343,934.60, 8,020,913.10 and 2,821,400.20 is: 4,234,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,934.60 : 8,020,913.10 = 2,821,400.20 : x
  2. Step 2: Convert to fraction form
    5,343,934.60/8,020,913.10 = 2,821,400.20/x
  3. Step 3: Cross multiply
    5,343,934.60x = 8,020,913.10 × 2,821,400.20
  4. Step 4: Simplify right side
    5,343,934.60x = 22,630,205,824,522.62
  5. Step 5: Solve for x
    x = 22,630,205,824,522.62/5,343,934.60
  6. Step 6: Final answer
    x = 4,234,746.03

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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.