Home / 3,418,426.12-4,718,059.13-2,196,259.45

Finding the Fourth Proportional to 3,418,426.12, 4,718,059.13 and 2,196,259.45

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Solution

The fourth proportional to 3,418,426.12, 4,718,059.13 and 2,196,259.45 is: 3,031,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,426.12 : 4,718,059.13 = 2,196,259.45 : x
  2. Step 2: Convert to fraction form
    3,418,426.12/4,718,059.13 = 2,196,259.45/x
  3. Step 3: Cross multiply
    3,418,426.12x = 4,718,059.13 × 2,196,259.45
  4. Step 4: Simplify right side
    3,418,426.12x = 10,362,081,949,921.28
  5. Step 5: Solve for x
    x = 10,362,081,949,921.28/3,418,426.12
  6. Step 6: Final answer
    x = 3,031,243.50

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Double scale
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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.