Home / 2,679,865.95-4,018,935.06-882,321.45

Finding the Fourth Proportional to 2,679,865.95, 4,018,935.06 and 882,321.45

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Solution

The fourth proportional to 2,679,865.95, 4,018,935.06 and 882,321.45 is: 1,323,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,865.95 : 4,018,935.06 = 882,321.45 : x
  2. Step 2: Convert to fraction form
    2,679,865.95/4,018,935.06 = 882,321.45/x
  3. Step 3: Cross multiply
    2,679,865.95x = 4,018,935.06 × 882,321.45
  4. Step 4: Simplify right side
    2,679,865.95x = 3,545,992,609,595.04
  5. Step 5: Solve for x
    x = 3,545,992,609,595.04/2,679,865.95
  6. Step 6: Final answer
    x = 1,323,197.76

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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.