Home / 3,868,122.60-5,808,380.40-3,075,991.20

Finding the Fourth Proportional to 3,868,122.60, 5,808,380.40 and 3,075,991.20

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Solution

The fourth proportional to 3,868,122.60, 5,808,380.40 and 3,075,991.20 is: 4,618,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,122.60 : 5,808,380.40 = 3,075,991.20 : x
  2. Step 2: Convert to fraction form
    3,868,122.60/5,808,380.40 = 3,075,991.20/x
  3. Step 3: Cross multiply
    3,868,122.60x = 5,808,380.40 × 3,075,991.20
  4. Step 4: Simplify right side
    3,868,122.60x = 17,866,526,996,652.48
  5. Step 5: Solve for x
    x = 17,866,526,996,652.48/3,868,122.60
  6. Step 6: Final answer
    x = 4,618,914.35

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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.