Home / 3,887,977.20-5,831,965.80-1,048,376.40

Finding the Fourth Proportional to 3,887,977.20, 5,831,965.80 and 1,048,376.40

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Solution

The fourth proportional to 3,887,977.20, 5,831,965.80 and 1,048,376.40 is: 1,572,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,977.20 : 5,831,965.80 = 1,048,376.40 : x
  2. Step 2: Convert to fraction form
    3,887,977.20/5,831,965.80 = 1,048,376.40/x
  3. Step 3: Cross multiply
    3,887,977.20x = 5,831,965.80 × 1,048,376.40
  4. Step 4: Simplify right side
    3,887,977.20x = 6,114,095,310,327.12
  5. Step 5: Solve for x
    x = 6,114,095,310,327.12/3,887,977.20
  6. Step 6: Final answer
    x = 1,572,564.60

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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.