Home / 6,920,403.15-10,380,608.34-1,802,819.50

Finding the Fourth Proportional to 6,920,403.15, 10,380,608.34 and 1,802,819.50

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Solution

The fourth proportional to 6,920,403.15, 10,380,608.34 and 1,802,819.50 is: 2,704,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,403.15 : 10,380,608.34 = 1,802,819.50 : x
  2. Step 2: Convert to fraction form
    6,920,403.15/10,380,608.34 = 1,802,819.50/x
  3. Step 3: Cross multiply
    6,920,403.15x = 10,380,608.34 × 1,802,819.50
  4. Step 4: Simplify right side
    6,920,403.15x = 18,714,363,137,214.63
  5. Step 5: Solve for x
    x = 18,714,363,137,214.63/6,920,403.15
  6. Step 6: Final answer
    x = 2,704,230.19

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1.5x scale

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.