Home / 1,999,380.57-2,759,136.93-1,081,607.55

Finding the Fourth Proportional to 1,999,380.57, 2,759,136.93 and 1,081,607.55

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Solution

The fourth proportional to 1,999,380.57, 2,759,136.93 and 1,081,607.55 is: 1,492,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,380.57 : 2,759,136.93 = 1,081,607.55 : x
  2. Step 2: Convert to fraction form
    1,999,380.57/2,759,136.93 = 1,081,607.55/x
  3. Step 3: Cross multiply
    1,999,380.57x = 2,759,136.93 × 1,081,607.55
  4. Step 4: Simplify right side
    1,999,380.57x = 2,984,303,334,971.82
  5. Step 5: Solve for x
    x = 2,984,303,334,971.82/1,999,380.57
  6. Step 6: Final answer
    x = 1,492,613.95

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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.