Home / 2,909,150.30-4,014,627.39-1,686,165.21

Finding the Fourth Proportional to 2,909,150.30, 4,014,627.39 and 1,686,165.21

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Solution

The fourth proportional to 2,909,150.30, 4,014,627.39 and 1,686,165.21 is: 2,326,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,150.30 : 4,014,627.39 = 1,686,165.21 : x
  2. Step 2: Convert to fraction form
    2,909,150.30/4,014,627.39 = 1,686,165.21/x
  3. Step 3: Cross multiply
    2,909,150.30x = 4,014,627.39 × 1,686,165.21
  4. Step 4: Simplify right side
    2,909,150.30x = 6,769,325,047,253.09
  5. Step 5: Solve for x
    x = 6,769,325,047,253.09/2,909,150.30
  6. Step 6: Final answer
    x = 2,326,907.98

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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.