Home / 2,831,140.83-4,242,512.09-2,079,512.67

Finding the Fourth Proportional to 2,831,140.83, 4,242,512.09 and 2,079,512.67

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Solution

The fourth proportional to 2,831,140.83, 4,242,512.09 and 2,079,512.67 is: 3,116,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,140.83 : 4,242,512.09 = 2,079,512.67 : x
  2. Step 2: Convert to fraction form
    2,831,140.83/4,242,512.09 = 2,079,512.67/x
  3. Step 3: Cross multiply
    2,831,140.83x = 4,242,512.09 × 2,079,512.67
  4. Step 4: Simplify right side
    2,831,140.83x = 8,822,357,643,783.18
  5. Step 5: Solve for x
    x = 8,822,357,643,783.18/2,831,140.83
  6. Step 6: Final answer
    x = 3,116,184.67

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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.