Home / 1,992,693.35-2,749,447.38-1,477,638.45

Finding the Fourth Proportional to 1,992,693.35, 2,749,447.38 and 1,477,638.45

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Solution

The fourth proportional to 1,992,693.35, 2,749,447.38 and 1,477,638.45 is: 2,038,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,693.35 : 2,749,447.38 = 1,477,638.45 : x
  2. Step 2: Convert to fraction form
    1,992,693.35/2,749,447.38 = 1,477,638.45/x
  3. Step 3: Cross multiply
    1,992,693.35x = 2,749,447.38 × 1,477,638.45
  4. Step 4: Simplify right side
    1,992,693.35x = 4,062,689,164,939.76
  5. Step 5: Solve for x
    x = 4,062,689,164,939.76/1,992,693.35
  6. Step 6: Final answer
    x = 2,038,792.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.