Home / 2,055,168.90-3,076,848.45-1,258,007.40

Finding the Fourth Proportional to 2,055,168.90, 3,076,848.45 and 1,258,007.40

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Solution

The fourth proportional to 2,055,168.90, 3,076,848.45 and 1,258,007.40 is: 1,883,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,168.90 : 3,076,848.45 = 1,258,007.40 : x
  2. Step 2: Convert to fraction form
    2,055,168.90/3,076,848.45 = 1,258,007.40/x
  3. Step 3: Cross multiply
    2,055,168.90x = 3,076,848.45 × 1,258,007.40
  4. Step 4: Simplify right side
    2,055,168.90x = 3,870,698,118,778.53
  5. Step 5: Solve for x
    x = 3,870,698,118,778.53/2,055,168.90
  6. Step 6: Final answer
    x = 1,883,396.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.