Home / 2,308,086-3,185,100-1,289,498.40

Finding the Fourth Proportional to 2,308,086, 3,185,100 and 1,289,498.40

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Solution

The fourth proportional to 2,308,086, 3,185,100 and 1,289,498.40 is: 1,779,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,086 : 3,185,100 = 1,289,498.40 : x
  2. Step 2: Convert to fraction form
    2,308,086/3,185,100 = 1,289,498.40/x
  3. Step 3: Cross multiply
    2,308,086x = 3,185,100 × 1,289,498.40
  4. Step 4: Simplify right side
    2,308,086x = 4,107,181,353,840.00
  5. Step 5: Solve for x
    x = 4,107,181,353,840.00/2,308,086
  6. Step 6: Final answer
    x = 1,779,475.01

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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.