Home / 6,391,313.75-8,820,203.98-3,490,841.45

Finding the Fourth Proportional to 6,391,313.75, 8,820,203.98 and 3,490,841.45

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Solution

The fourth proportional to 6,391,313.75, 8,820,203.98 and 3,490,841.45 is: 4,817,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,313.75 : 8,820,203.98 = 3,490,841.45 : x
  2. Step 2: Convert to fraction form
    6,391,313.75/8,820,203.98 = 3,490,841.45/x
  3. Step 3: Cross multiply
    6,391,313.75x = 8,820,203.98 × 3,490,841.45
  4. Step 4: Simplify right side
    6,391,313.75x = 30,789,933,677,253.03
  5. Step 5: Solve for x
    x = 30,789,933,677,253.03/6,391,313.75
  6. Step 6: Final answer
    x = 4,817,465.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.