Home / 3,388,619.21-4,676,273.46-1,938,338.87

Finding the Fourth Proportional to 3,388,619.21, 4,676,273.46 and 1,938,338.87

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Solution

The fourth proportional to 3,388,619.21, 4,676,273.46 and 1,938,338.87 is: 2,674,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,619.21 : 4,676,273.46 = 1,938,338.87 : x
  2. Step 2: Convert to fraction form
    3,388,619.21/4,676,273.46 = 1,938,338.87/x
  3. Step 3: Cross multiply
    3,388,619.21x = 4,676,273.46 × 1,938,338.87
  4. Step 4: Simplify right side
    3,388,619.21x = 9,064,202,590,886.02
  5. Step 5: Solve for x
    x = 9,064,202,590,886.02/3,388,619.21
  6. Step 6: Final answer
    x = 2,674,895.60

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1.5x scale

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.