Home / 2,308,343.72-3,185,389.14-1,289,551.64

Finding the Fourth Proportional to 2,308,343.72, 3,185,389.14 and 1,289,551.64

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Solution

The fourth proportional to 2,308,343.72, 3,185,389.14 and 1,289,551.64 is: 1,779,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,343.72 : 3,185,389.14 = 1,289,551.64 : x
  2. Step 2: Convert to fraction form
    2,308,343.72/3,185,389.14 = 1,289,551.64/x
  3. Step 3: Cross multiply
    2,308,343.72x = 3,185,389.14 × 1,289,551.64
  4. Step 4: Simplify right side
    2,308,343.72x = 4,107,723,789,525.19
  5. Step 5: Solve for x
    x = 4,107,723,789,525.19/2,308,343.72
  6. Step 6: Final answer
    x = 1,779,511.32

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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.