Home / 1,906,230.48-2,631,074.08-1,180,643.28

Finding the Fourth Proportional to 1,906,230.48, 2,631,074.08 and 1,180,643.28

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Solution

The fourth proportional to 1,906,230.48, 2,631,074.08 and 1,180,643.28 is: 1,629,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,230.48 : 2,631,074.08 = 1,180,643.28 : x
  2. Step 2: Convert to fraction form
    1,906,230.48/2,631,074.08 = 1,180,643.28/x
  3. Step 3: Cross multiply
    1,906,230.48x = 2,631,074.08 × 1,180,643.28
  4. Step 4: Simplify right side
    1,906,230.48x = 3,106,359,931,734.18
  5. Step 5: Solve for x
    x = 3,106,359,931,734.18/1,906,230.48
  6. Step 6: Final answer
    x = 1,629,582.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.