Home / 2,616,549.40-3,921,908.10-1,018,581.40

Finding the Fourth Proportional to 2,616,549.40, 3,921,908.10 and 1,018,581.40

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Solution

The fourth proportional to 2,616,549.40, 3,921,908.10 and 1,018,581.40 is: 1,526,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,549.40 : 3,921,908.10 = 1,018,581.40 : x
  2. Step 2: Convert to fraction form
    2,616,549.40/3,921,908.10 = 1,018,581.40/x
  3. Step 3: Cross multiply
    2,616,549.40x = 3,921,908.10 × 1,018,581.40
  4. Step 4: Simplify right side
    2,616,549.40x = 3,994,782,643,169.34
  5. Step 5: Solve for x
    x = 3,994,782,643,169.34/2,616,549.40
  6. Step 6: Final answer
    x = 1,526,736.95

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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.