Home / 2,815,844.95-4,221,262.43-1,018,328.81

Finding the Fourth Proportional to 2,815,844.95, 4,221,262.43 and 1,018,328.81

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Solution

The fourth proportional to 2,815,844.95, 4,221,262.43 and 1,018,328.81 is: 1,526,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,844.95 : 4,221,262.43 = 1,018,328.81 : x
  2. Step 2: Convert to fraction form
    2,815,844.95/4,221,262.43 = 1,018,328.81/x
  3. Step 3: Cross multiply
    2,815,844.95x = 4,221,262.43 × 1,018,328.81
  4. Step 4: Simplify right side
    2,815,844.95x = 4,298,633,124,660.39
  5. Step 5: Solve for x
    x = 4,298,633,124,660.39/2,815,844.95
  6. Step 6: Final answer
    x = 1,526,587.29

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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.