Home / 4,772,021.78-7,158,032.68-1,739,615.06

Finding the Fourth Proportional to 4,772,021.78, 7,158,032.68 and 1,739,615.06

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Solution

The fourth proportional to 4,772,021.78, 7,158,032.68 and 1,739,615.06 is: 2,609,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772,021.78 : 7,158,032.68 = 1,739,615.06 : x
  2. Step 2: Convert to fraction form
    4,772,021.78/7,158,032.68 = 1,739,615.06/x
  3. Step 3: Cross multiply
    4,772,021.78x = 7,158,032.68 × 1,739,615.06
  4. Step 4: Simplify right side
    4,772,021.78x = 12,452,221,450,100.16
  5. Step 5: Solve for x
    x = 12,452,221,450,100.16/4,772,021.78
  6. Step 6: Final answer
    x = 2,609,422.59

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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.