Home / 2,321,807.81-3,204,174.95-1,289,332.88

Finding the Fourth Proportional to 2,321,807.81, 3,204,174.95 and 1,289,332.88

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Solution

The fourth proportional to 2,321,807.81, 3,204,174.95 and 1,289,332.88 is: 1,779,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,807.81 : 3,204,174.95 = 1,289,332.88 : x
  2. Step 2: Convert to fraction form
    2,321,807.81/3,204,174.95 = 1,289,332.88/x
  3. Step 3: Cross multiply
    2,321,807.81x = 3,204,174.95 × 1,289,332.88
  4. Step 4: Simplify right side
    2,321,807.81x = 4,131,248,116,307.36
  5. Step 5: Solve for x
    x = 4,131,248,116,307.36/2,321,807.81
  6. Step 6: Final answer
    x = 1,779,323.90

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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.