Home / 5,389,940.30-8,073,100.65-2,862,643.10

Finding the Fourth Proportional to 5,389,940.30, 8,073,100.65 and 2,862,643.10

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Solution

The fourth proportional to 5,389,940.30, 8,073,100.65 and 2,862,643.10 is: 4,287,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,940.30 : 8,073,100.65 = 2,862,643.10 : x
  2. Step 2: Convert to fraction form
    5,389,940.30/8,073,100.65 = 2,862,643.10/x
  3. Step 3: Cross multiply
    5,389,940.30x = 8,073,100.65 × 2,862,643.10
  4. Step 4: Simplify right side
    5,389,940.30x = 23,110,405,871,328.02
  5. Step 5: Solve for x
    x = 23,110,405,871,328.02/5,389,940.30
  6. Step 6: Final answer
    x = 4,287,692.36

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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.