Home / 1,818,349.70-2,733,429.45-1,289,533.10

Finding the Fourth Proportional to 1,818,349.70, 2,733,429.45 and 1,289,533.10

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Solution

The fourth proportional to 1,818,349.70, 2,733,429.45 and 1,289,533.10 is: 1,938,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,349.70 : 2,733,429.45 = 1,289,533.10 : x
  2. Step 2: Convert to fraction form
    1,818,349.70/2,733,429.45 = 1,289,533.10/x
  3. Step 3: Cross multiply
    1,818,349.70x = 2,733,429.45 × 1,289,533.10
  4. Step 4: Simplify right side
    1,818,349.70x = 3,524,847,752,289.80
  5. Step 5: Solve for x
    x = 3,524,847,752,289.80/1,818,349.70
  6. Step 6: Final answer
    x = 1,938,487.27

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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.