Home / 5,347,079.40-8,020,619.10-2,651,820.60

Finding the Fourth Proportional to 5,347,079.40, 8,020,619.10 and 2,651,820.60

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Solution

The fourth proportional to 5,347,079.40, 8,020,619.10 and 2,651,820.60 is: 3,977,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,079.40 : 8,020,619.10 = 2,651,820.60 : x
  2. Step 2: Convert to fraction form
    5,347,079.40/8,020,619.10 = 2,651,820.60/x
  3. Step 3: Cross multiply
    5,347,079.40x = 8,020,619.10 × 2,651,820.60
  4. Step 4: Simplify right side
    5,347,079.40x = 21,269,242,954,133.46
  5. Step 5: Solve for x
    x = 21,269,242,954,133.46/5,347,079.40
  6. Step 6: Final answer
    x = 3,977,730.90

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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.