Home / 2,620,895.10-3,933,138.12-915,038.61

Finding the Fourth Proportional to 2,620,895.10, 3,933,138.12 and 915,038.61

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Solution

The fourth proportional to 2,620,895.10, 3,933,138.12 and 915,038.61 is: 1,373,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,895.10 : 3,933,138.12 = 915,038.61 : x
  2. Step 2: Convert to fraction form
    2,620,895.10/3,933,138.12 = 915,038.61/x
  3. Step 3: Cross multiply
    2,620,895.10x = 3,933,138.12 × 915,038.61
  4. Step 4: Simplify right side
    2,620,895.10x = 3,598,973,238,262.81
  5. Step 5: Solve for x
    x = 3,598,973,238,262.81/2,620,895.10
  6. Step 6: Final answer
    x = 1,373,184.77

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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.