Home / 2,819,518.10-3,890,830.70-1,530,331.02

Finding the Fourth Proportional to 2,819,518.10, 3,890,830.70 and 1,530,331.02

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Solution

The fourth proportional to 2,819,518.10, 3,890,830.70 and 1,530,331.02 is: 2,111,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,518.10 : 3,890,830.70 = 1,530,331.02 : x
  2. Step 2: Convert to fraction form
    2,819,518.10/3,890,830.70 = 1,530,331.02/x
  3. Step 3: Cross multiply
    2,819,518.10x = 3,890,830.70 × 1,530,331.02
  4. Step 4: Simplify right side
    2,819,518.10x = 5,954,258,913,778.32
  5. Step 5: Solve for x
    x = 5,954,258,913,778.32/2,819,518.10
  6. Step 6: Final answer
    x = 2,111,800.21

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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.