Home / 3,003,490.84-4,478,445.20-2,669,667.16

Finding the Fourth Proportional to 3,003,490.84, 4,478,445.20 and 2,669,667.16

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Solution

The fourth proportional to 3,003,490.84, 4,478,445.20 and 2,669,667.16 is: 3,980,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003,490.84 : 4,478,445.20 = 2,669,667.16 : x
  2. Step 2: Convert to fraction form
    3,003,490.84/4,478,445.20 = 2,669,667.16/x
  3. Step 3: Cross multiply
    3,003,490.84x = 4,478,445.20 × 2,669,667.16
  4. Step 4: Simplify right side
    3,003,490.84x = 11,955,958,078,299.63
  5. Step 5: Solve for x
    x = 11,955,958,078,299.63/3,003,490.84
  6. Step 6: Final answer
    x = 3,980,687.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.