Home / 2,191,389.21-3,024,059.13-1,224,527.49

Finding the Fourth Proportional to 2,191,389.21, 3,024,059.13 and 1,224,527.49

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Solution

The fourth proportional to 2,191,389.21, 3,024,059.13 and 1,224,527.49 is: 1,689,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,389.21 : 3,024,059.13 = 1,224,527.49 : x
  2. Step 2: Convert to fraction form
    2,191,389.21/3,024,059.13 = 1,224,527.49/x
  3. Step 3: Cross multiply
    2,191,389.21x = 3,024,059.13 × 1,224,527.49
  4. Step 4: Simplify right side
    2,191,389.21x = 3,703,043,536,070.48
  5. Step 5: Solve for x
    x = 3,703,043,536,070.48/2,191,389.21
  6. Step 6: Final answer
    x = 1,689,815.54

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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.