Home / 3,315,874.31-4,973,811.03-919,718.93

Finding the Fourth Proportional to 3,315,874.31, 4,973,811.03 and 919,718.93

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Solution

The fourth proportional to 3,315,874.31, 4,973,811.03 and 919,718.93 is: 1,379,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,874.31 : 4,973,811.03 = 919,718.93 : x
  2. Step 2: Convert to fraction form
    3,315,874.31/4,973,811.03 = 919,718.93/x
  3. Step 3: Cross multiply
    3,315,874.31x = 4,973,811.03 × 919,718.93
  4. Step 4: Simplify right side
    3,315,874.31x = 4,574,508,133,664.74
  5. Step 5: Solve for x
    x = 4,574,508,133,664.74/3,315,874.31
  6. Step 6: Final answer
    x = 1,379,578.27

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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.