Home / 2,805,261.84-3,869,466.12-1,945,508.40

Finding the Fourth Proportional to 2,805,261.84, 3,869,466.12 and 1,945,508.40

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Solution

The fourth proportional to 2,805,261.84, 3,869,466.12 and 1,945,508.40 is: 2,683,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,261.84 : 3,869,466.12 = 1,945,508.40 : x
  2. Step 2: Convert to fraction form
    2,805,261.84/3,869,466.12 = 1,945,508.40/x
  3. Step 3: Cross multiply
    2,805,261.84x = 3,869,466.12 × 1,945,508.40
  4. Step 4: Simplify right side
    2,805,261.84x = 7,528,078,839,975.41
  5. Step 5: Solve for x
    x = 7,528,078,839,975.41/2,805,261.84
  6. Step 6: Final answer
    x = 2,683,556.57

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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.