Home / 2,191,438.50-3,024,128.76-1,224,576.74

Finding the Fourth Proportional to 2,191,438.50, 3,024,128.76 and 1,224,576.74

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Solution

The fourth proportional to 2,191,438.50, 3,024,128.76 and 1,224,576.74 is: 1,689,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,438.50 : 3,024,128.76 = 1,224,576.74 : x
  2. Step 2: Convert to fraction form
    2,191,438.50/3,024,128.76 = 1,224,576.74/x
  3. Step 3: Cross multiply
    2,191,438.50x = 3,024,128.76 × 1,224,576.74
  4. Step 4: Simplify right side
    2,191,438.50x = 3,703,277,738,261.04
  5. Step 5: Solve for x
    x = 3,703,277,738,261.04/2,191,438.50
  6. Step 6: Final answer
    x = 1,689,884.40

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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.