Home / 2,317,483.20-3,476,570.40-821,457.60

Finding the Fourth Proportional to 2,317,483.20, 3,476,570.40 and 821,457.60

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Solution

The fourth proportional to 2,317,483.20, 3,476,570.40 and 821,457.60 is: 1,232,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,483.20 : 3,476,570.40 = 821,457.60 : x
  2. Step 2: Convert to fraction form
    2,317,483.20/3,476,570.40 = 821,457.60/x
  3. Step 3: Cross multiply
    2,317,483.20x = 3,476,570.40 × 821,457.60
  4. Step 4: Simplify right side
    2,317,483.20x = 2,855,855,177,015.04
  5. Step 5: Solve for x
    x = 2,855,855,177,015.04/2,317,483.20
  6. Step 6: Final answer
    x = 1,232,308.90

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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.