Home / 7,106,466.60-10,659,701.75-1,989,650.34

Finding the Fourth Proportional to 7,106,466.60, 10,659,701.75 and 1,989,650.34

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Solution

The fourth proportional to 7,106,466.60, 10,659,701.75 and 1,989,650.34 is: 2,984,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,466.60 : 10,659,701.75 = 1,989,650.34 : x
  2. Step 2: Convert to fraction form
    7,106,466.60/10,659,701.75 = 1,989,650.34/x
  3. Step 3: Cross multiply
    7,106,466.60x = 10,659,701.75 × 1,989,650.34
  4. Step 4: Simplify right side
    7,106,466.60x = 21,209,079,201,237.84
  5. Step 5: Solve for x
    x = 21,209,079,201,237.84/7,106,466.60
  6. Step 6: Final answer
    x = 2,984,476.03

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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.