Home / 3,102,082.71-4,280,771.35-1,725,387.47

Finding the Fourth Proportional to 3,102,082.71, 4,280,771.35 and 1,725,387.47

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Solution

The fourth proportional to 3,102,082.71, 4,280,771.35 and 1,725,387.47 is: 2,380,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,082.71 : 4,280,771.35 = 1,725,387.47 : x
  2. Step 2: Convert to fraction form
    3,102,082.71/4,280,771.35 = 1,725,387.47/x
  3. Step 3: Cross multiply
    3,102,082.71x = 4,280,771.35 × 1,725,387.47
  4. Step 4: Simplify right side
    3,102,082.71x = 7,385,989,249,224.98
  5. Step 5: Solve for x
    x = 7,385,989,249,224.98/3,102,082.71
  6. Step 6: Final answer
    x = 2,380,977.54

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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.