Home / 2,688,847.60-4,033,271.40-1,193,090.80

Finding the Fourth Proportional to 2,688,847.60, 4,033,271.40 and 1,193,090.80

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Solution

The fourth proportional to 2,688,847.60, 4,033,271.40 and 1,193,090.80 is: 1,789,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,847.60 : 4,033,271.40 = 1,193,090.80 : x
  2. Step 2: Convert to fraction form
    2,688,847.60/4,033,271.40 = 1,193,090.80/x
  3. Step 3: Cross multiply
    2,688,847.60x = 4,033,271.40 × 1,193,090.80
  4. Step 4: Simplify right side
    2,688,847.60x = 4,812,059,001,243.12
  5. Step 5: Solve for x
    x = 4,812,059,001,243.12/2,688,847.60
  6. Step 6: Final answer
    x = 1,789,636.20

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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.