Home / 5,148,228.12-7,104,555.90-2,856,383.40

Finding the Fourth Proportional to 5,148,228.12, 7,104,555.90 and 2,856,383.40

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Solution

The fourth proportional to 5,148,228.12, 7,104,555.90 and 2,856,383.40 is: 3,941,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,228.12 : 7,104,555.90 = 2,856,383.40 : x
  2. Step 2: Convert to fraction form
    5,148,228.12/7,104,555.90 = 2,856,383.40/x
  3. Step 3: Cross multiply
    5,148,228.12x = 7,104,555.90 × 2,856,383.40
  4. Step 4: Simplify right side
    5,148,228.12x = 20,293,335,537,132.06
  5. Step 5: Solve for x
    x = 20,293,335,537,132.06/5,148,228.12
  6. Step 6: Final answer
    x = 3,941,809.70

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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.