Home / 1,618,106.70-2,425,216.05-670,989.90

Finding the Fourth Proportional to 1,618,106.70, 2,425,216.05 and 670,989.90

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Solution

The fourth proportional to 1,618,106.70, 2,425,216.05 and 670,989.90 is: 1,005,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,106.70 : 2,425,216.05 = 670,989.90 : x
  2. Step 2: Convert to fraction form
    1,618,106.70/2,425,216.05 = 670,989.90/x
  3. Step 3: Cross multiply
    1,618,106.70x = 2,425,216.05 × 670,989.90
  4. Step 4: Simplify right side
    1,618,106.70x = 1,627,295,474,867.90
  5. Step 5: Solve for x
    x = 1,627,295,474,867.90/1,618,106.70
  6. Step 6: Final answer
    x = 1,005,678.72

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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.