Home / 2,688,912.60-4,033,368.90-2,673,166.20

Finding the Fourth Proportional to 2,688,912.60, 4,033,368.90 and 2,673,166.20

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Solution

The fourth proportional to 2,688,912.60, 4,033,368.90 and 2,673,166.20 is: 4,009,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,912.60 : 4,033,368.90 = 2,673,166.20 : x
  2. Step 2: Convert to fraction form
    2,688,912.60/4,033,368.90 = 2,673,166.20/x
  3. Step 3: Cross multiply
    2,688,912.60x = 4,033,368.90 × 2,673,166.20
  4. Step 4: Simplify right side
    2,688,912.60x = 10,781,865,415,611.18
  5. Step 5: Solve for x
    x = 10,781,865,415,611.18/2,688,912.60
  6. Step 6: Final answer
    x = 4,009,749.30

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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.