Home / 2,613,652.80-3,915,230.40-1,490,409.60

Finding the Fourth Proportional to 2,613,652.80, 3,915,230.40 and 1,490,409.60

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Solution

The fourth proportional to 2,613,652.80, 3,915,230.40 and 1,490,409.60 is: 2,232,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,652.80 : 3,915,230.40 = 1,490,409.60 : x
  2. Step 2: Convert to fraction form
    2,613,652.80/3,915,230.40 = 1,490,409.60/x
  3. Step 3: Cross multiply
    2,613,652.80x = 3,915,230.40 × 1,490,409.60
  4. Step 4: Simplify right side
    2,613,652.80x = 5,835,296,974,371.84
  5. Step 5: Solve for x
    x = 5,835,296,974,371.84/2,613,652.80
  6. Step 6: Final answer
    x = 2,232,621.32

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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.