Home / 2,345,090.40-3,515,267.43-1,128,880.80

Finding the Fourth Proportional to 2,345,090.40, 3,515,267.43 and 1,128,880.80

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Solution

The fourth proportional to 2,345,090.40, 3,515,267.43 and 1,128,880.80 is: 1,692,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345,090.40 : 3,515,267.43 = 1,128,880.80 : x
  2. Step 2: Convert to fraction form
    2,345,090.40/3,515,267.43 = 1,128,880.80/x
  3. Step 3: Cross multiply
    2,345,090.40x = 3,515,267.43 × 1,128,880.80
  4. Step 4: Simplify right side
    2,345,090.40x = 3,968,317,908,592.34
  5. Step 5: Solve for x
    x = 3,968,317,908,592.34/2,345,090.40
  6. Step 6: Final answer
    x = 1,692,181.21

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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.