Home / 2,938,151.21-4,054,656.48-1,631,405.67

Finding the Fourth Proportional to 2,938,151.21, 4,054,656.48 and 1,631,405.67

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Solution

The fourth proportional to 2,938,151.21, 4,054,656.48 and 1,631,405.67 is: 2,251,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,151.21 : 4,054,656.48 = 1,631,405.67 : x
  2. Step 2: Convert to fraction form
    2,938,151.21/4,054,656.48 = 1,631,405.67/x
  3. Step 3: Cross multiply
    2,938,151.21x = 4,054,656.48 × 1,631,405.67
  4. Step 4: Simplify right side
    2,938,151.21x = 6,614,789,571,374.24
  5. Step 5: Solve for x
    x = 6,614,789,571,374.24/2,938,151.21
  6. Step 6: Final answer
    x = 2,251,344.17

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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.