Home / 2,291,280.21-3,161,967.91-1,258,854.55

Finding the Fourth Proportional to 2,291,280.21, 3,161,967.91 and 1,258,854.55

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Solution

The fourth proportional to 2,291,280.21, 3,161,967.91 and 1,258,854.55 is: 1,737,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,280.21 : 3,161,967.91 = 1,258,854.55 : x
  2. Step 2: Convert to fraction form
    2,291,280.21/3,161,967.91 = 1,258,854.55/x
  3. Step 3: Cross multiply
    2,291,280.21x = 3,161,967.91 × 1,258,854.55
  4. Step 4: Simplify right side
    2,291,280.21x = 3,980,457,679,405.44
  5. Step 5: Solve for x
    x = 3,980,457,679,405.44/2,291,280.21
  6. Step 6: Final answer
    x = 1,737,219.94

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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.