Home / 2,938,152.21-4,054,657.86-1,631,406.67

Finding the Fourth Proportional to 2,938,152.21, 4,054,657.86 and 1,631,406.67

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Solution

The fourth proportional to 2,938,152.21, 4,054,657.86 and 1,631,406.67 is: 2,251,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,152.21 : 4,054,657.86 = 1,631,406.67 : x
  2. Step 2: Convert to fraction form
    2,938,152.21/4,054,657.86 = 1,631,406.67/x
  3. Step 3: Cross multiply
    2,938,152.21x = 4,054,657.86 × 1,631,406.67
  4. Step 4: Simplify right side
    2,938,152.21x = 6,614,795,877,371.93
  5. Step 5: Solve for x
    x = 6,614,795,877,371.93/2,938,152.21
  6. Step 6: Final answer
    x = 2,251,345.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.