Home / 2,011,617.11-2,777,060.09-1,551,699.21

Finding the Fourth Proportional to 2,011,617.11, 2,777,060.09 and 1,551,699.21

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Solution

The fourth proportional to 2,011,617.11, 2,777,060.09 and 1,551,699.21 is: 2,142,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,617.11 : 2,777,060.09 = 1,551,699.21 : x
  2. Step 2: Convert to fraction form
    2,011,617.11/2,777,060.09 = 1,551,699.21/x
  3. Step 3: Cross multiply
    2,011,617.11x = 2,777,060.09 × 1,551,699.21
  4. Step 4: Simplify right side
    2,011,617.11x = 4,309,161,962,068.75
  5. Step 5: Solve for x
    x = 4,309,161,962,068.75/2,011,617.11
  6. Step 6: Final answer
    x = 2,142,138.25

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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.