Home / 2,748,405.04-4,122,629.48-1,128,756.60

Finding the Fourth Proportional to 2,748,405.04, 4,122,629.48 and 1,128,756.60

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Solution

The fourth proportional to 2,748,405.04, 4,122,629.48 and 1,128,756.60 is: 1,693,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,405.04 : 4,122,629.48 = 1,128,756.60 : x
  2. Step 2: Convert to fraction form
    2,748,405.04/4,122,629.48 = 1,128,756.60/x
  3. Step 3: Cross multiply
    2,748,405.04x = 4,122,629.48 × 1,128,756.60
  4. Step 4: Simplify right side
    2,748,405.04x = 4,653,445,234,904.57
  5. Step 5: Solve for x
    x = 4,653,445,234,904.57/2,748,405.04
  6. Step 6: Final answer
    x = 1,693,143.90

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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.