Home / 3,826,086.40-5,280,238.08-2,107,206.40

Finding the Fourth Proportional to 3,826,086.40, 5,280,238.08 and 2,107,206.40

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Solution

The fourth proportional to 3,826,086.40, 5,280,238.08 and 2,107,206.40 is: 2,908,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,086.40 : 5,280,238.08 = 2,107,206.40 : x
  2. Step 2: Convert to fraction form
    3,826,086.40/5,280,238.08 = 2,107,206.40/x
  3. Step 3: Cross multiply
    3,826,086.40x = 5,280,238.08 × 2,107,206.40
  4. Step 4: Simplify right side
    3,826,086.40x = 11,126,551,475,699.71
  5. Step 5: Solve for x
    x = 11,126,551,475,699.71/3,826,086.40
  6. Step 6: Final answer
    x = 2,908,076.38

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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.