Home / 3,417,809.40-5,127,491.70-1,997,134.20

Finding the Fourth Proportional to 3,417,809.40, 5,127,491.70 and 1,997,134.20

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Solution

The fourth proportional to 3,417,809.40, 5,127,491.70 and 1,997,134.20 is: 2,996,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,809.40 : 5,127,491.70 = 1,997,134.20 : x
  2. Step 2: Convert to fraction form
    3,417,809.40/5,127,491.70 = 1,997,134.20/x
  3. Step 3: Cross multiply
    3,417,809.40x = 5,127,491.70 × 1,997,134.20
  4. Step 4: Simplify right side
    3,417,809.40x = 10,240,289,034,286.14
  5. Step 5: Solve for x
    x = 10,240,289,034,286.14/3,417,809.40
  6. Step 6: Final answer
    x = 2,996,155.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.