Home / 2,740,643.76-4,111,240.20-943,289.40

Finding the Fourth Proportional to 2,740,643.76, 4,111,240.20 and 943,289.40

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Solution

The fourth proportional to 2,740,643.76, 4,111,240.20 and 943,289.40 is: 1,415,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,643.76 : 4,111,240.20 = 943,289.40 : x
  2. Step 2: Convert to fraction form
    2,740,643.76/4,111,240.20 = 943,289.40/x
  3. Step 3: Cross multiply
    2,740,643.76x = 4,111,240.20 × 943,289.40
  4. Step 4: Simplify right side
    2,740,643.76x = 3,878,089,301,513.88
  5. Step 5: Solve for x
    x = 3,878,089,301,513.88/2,740,643.76
  6. Step 6: Final answer
    x = 1,415,028.60

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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.