Home / 2,938,230.60-4,407,345.90-808,311.30

Finding the Fourth Proportional to 2,938,230.60, 4,407,345.90 and 808,311.30

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Solution

The fourth proportional to 2,938,230.60, 4,407,345.90 and 808,311.30 is: 1,212,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,230.60 : 4,407,345.90 = 808,311.30 : x
  2. Step 2: Convert to fraction form
    2,938,230.60/4,407,345.90 = 808,311.30/x
  3. Step 3: Cross multiply
    2,938,230.60x = 4,407,345.90 × 808,311.30
  4. Step 4: Simplify right side
    2,938,230.60x = 3,562,507,493,978.67
  5. Step 5: Solve for x
    x = 3,562,507,493,978.67/2,938,230.60
  6. Step 6: Final answer
    x = 1,212,466.95

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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.