Home / 4,920,856.42-7,381,670.06-1,326,568.36

Finding the Fourth Proportional to 4,920,856.42, 7,381,670.06 and 1,326,568.36

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Solution

The fourth proportional to 4,920,856.42, 7,381,670.06 and 1,326,568.36 is: 1,989,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,856.42 : 7,381,670.06 = 1,326,568.36 : x
  2. Step 2: Convert to fraction form
    4,920,856.42/7,381,670.06 = 1,326,568.36/x
  3. Step 3: Cross multiply
    4,920,856.42x = 7,381,670.06 × 1,326,568.36
  4. Step 4: Simplify right side
    4,920,856.42x = 9,792,289,945,555.30
  5. Step 5: Solve for x
    x = 9,792,289,945,555.30/4,920,856.42
  6. Step 6: Final answer
    x = 1,989,956.44

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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.