Home / 2,139,208.24-3,208,746.48-876,084.52

Finding the Fourth Proportional to 2,139,208.24, 3,208,746.48 and 876,084.52

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Solution

The fourth proportional to 2,139,208.24, 3,208,746.48 and 876,084.52 is: 1,314,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,208.24 : 3,208,746.48 = 876,084.52 : x
  2. Step 2: Convert to fraction form
    2,139,208.24/3,208,746.48 = 876,084.52/x
  3. Step 3: Cross multiply
    2,139,208.24x = 3,208,746.48 × 876,084.52
  4. Step 4: Simplify right side
    2,139,208.24x = 2,811,133,119,732.49
  5. Step 5: Solve for x
    x = 2,811,133,119,732.49/2,139,208.24
  6. Step 6: Final answer
    x = 1,314,099.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.