Home / 2,728,496.16-3,765,590.78-2,038,970.70

Finding the Fourth Proportional to 2,728,496.16, 3,765,590.78 and 2,038,970.70

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Solution

The fourth proportional to 2,728,496.16, 3,765,590.78 and 2,038,970.70 is: 2,813,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,496.16 : 3,765,590.78 = 2,038,970.70 : x
  2. Step 2: Convert to fraction form
    2,728,496.16/3,765,590.78 = 2,038,970.70/x
  3. Step 3: Cross multiply
    2,728,496.16x = 3,765,590.78 × 2,038,970.70
  4. Step 4: Simplify right side
    2,728,496.16x = 7,677,929,258,415.29
  5. Step 5: Solve for x
    x = 7,677,929,258,415.29/2,728,496.16
  6. Step 6: Final answer
    x = 2,813,978.40

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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.