Home / 3,769,038.60-5,651,808.30-1,638,025.80

Finding the Fourth Proportional to 3,769,038.60, 5,651,808.30 and 1,638,025.80

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Solution

The fourth proportional to 3,769,038.60, 5,651,808.30 and 1,638,025.80 is: 2,456,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,038.60 : 5,651,808.30 = 1,638,025.80 : x
  2. Step 2: Convert to fraction form
    3,769,038.60/5,651,808.30 = 1,638,025.80/x
  3. Step 3: Cross multiply
    3,769,038.60x = 5,651,808.30 × 1,638,025.80
  4. Step 4: Simplify right side
    3,769,038.60x = 9,257,807,812,054.14
  5. Step 5: Solve for x
    x = 9,257,807,812,054.14/3,769,038.60
  6. Step 6: Final answer
    x = 2,456,278.32

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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.