Home / 5,343,612.60-8,020,430.10-2,821,078.20

Finding the Fourth Proportional to 5,343,612.60, 8,020,430.10 and 2,821,078.20

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Solution

The fourth proportional to 5,343,612.60, 8,020,430.10 and 2,821,078.20 is: 4,234,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,612.60 : 8,020,430.10 = 2,821,078.20 : x
  2. Step 2: Convert to fraction form
    5,343,612.60/8,020,430.10 = 2,821,078.20/x
  3. Step 3: Cross multiply
    5,343,612.60x = 8,020,430.10 × 2,821,078.20
  4. Step 4: Simplify right side
    5,343,612.60x = 22,626,260,509,733.82
  5. Step 5: Solve for x
    x = 22,626,260,509,733.82/5,343,612.60
  6. Step 6: Final answer
    x = 4,234,262.89

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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.