Home / 2,909,784.73-4,015,627.55-1,620,625.45

Finding the Fourth Proportional to 2,909,784.73, 4,015,627.55 and 1,620,625.45

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Solution

The fourth proportional to 2,909,784.73, 4,015,627.55 and 1,620,625.45 is: 2,236,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,784.73 : 4,015,627.55 = 1,620,625.45 : x
  2. Step 2: Convert to fraction form
    2,909,784.73/4,015,627.55 = 1,620,625.45/x
  3. Step 3: Cross multiply
    2,909,784.73x = 4,015,627.55 × 1,620,625.45
  4. Step 4: Simplify right side
    2,909,784.73x = 6,507,828,197,148.02
  5. Step 5: Solve for x
    x = 6,507,828,197,148.02/2,909,784.73
  6. Step 6: Final answer
    x = 2,236,532.53

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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.