Home / 5,451,065.40-8,178,417.90-2,418,012.84

Finding the Fourth Proportional to 5,451,065.40, 8,178,417.90 and 2,418,012.84

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Solution

The fourth proportional to 5,451,065.40, 8,178,417.90 and 2,418,012.84 is: 3,627,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,065.40 : 8,178,417.90 = 2,418,012.84 : x
  2. Step 2: Convert to fraction form
    5,451,065.40/8,178,417.90 = 2,418,012.84/x
  3. Step 3: Cross multiply
    5,451,065.40x = 8,178,417.90 × 2,418,012.84
  4. Step 4: Simplify right side
    5,451,065.40x = 19,775,519,493,085.84
  5. Step 5: Solve for x
    x = 19,775,519,493,085.84/5,451,065.40
  6. Step 6: Final answer
    x = 3,627,826.50

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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.