Home / 2,889,985.20-4,334,977.80-1,882,215.60

Finding the Fourth Proportional to 2,889,985.20, 4,334,977.80 and 1,882,215.60

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Solution

The fourth proportional to 2,889,985.20, 4,334,977.80 and 1,882,215.60 is: 2,823,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,985.20 : 4,334,977.80 = 1,882,215.60 : x
  2. Step 2: Convert to fraction form
    2,889,985.20/4,334,977.80 = 1,882,215.60/x
  3. Step 3: Cross multiply
    2,889,985.20x = 4,334,977.80 × 1,882,215.60
  4. Step 4: Simplify right side
    2,889,985.20x = 8,159,362,840,813.68
  5. Step 5: Solve for x
    x = 8,159,362,840,813.68/2,889,985.20
  6. Step 6: Final answer
    x = 2,823,323.40

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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.