Home / 1,982,280.42-2,735,459.37-1,122,823.44

Finding the Fourth Proportional to 1,982,280.42, 2,735,459.37 and 1,122,823.44

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Solution

The fourth proportional to 1,982,280.42, 2,735,459.37 and 1,122,823.44 is: 1,549,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,280.42 : 2,735,459.37 = 1,122,823.44 : x
  2. Step 2: Convert to fraction form
    1,982,280.42/2,735,459.37 = 1,122,823.44/x
  3. Step 3: Cross multiply
    1,982,280.42x = 2,735,459.37 × 1,122,823.44
  4. Step 4: Simplify right side
    1,982,280.42x = 3,071,437,899,803.63
  5. Step 5: Solve for x
    x = 3,071,437,899,803.63/1,982,280.42
  6. Step 6: Final answer
    x = 1,549,446.72

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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.