Home / 2,551,031.81-3,520,423.58-1,405,112.16

Finding the Fourth Proportional to 2,551,031.81, 3,520,423.58 and 1,405,112.16

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Solution

The fourth proportional to 2,551,031.81, 3,520,423.58 and 1,405,112.16 is: 1,939,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,031.81 : 3,520,423.58 = 1,405,112.16 : x
  2. Step 2: Convert to fraction form
    2,551,031.81/3,520,423.58 = 1,405,112.16/x
  3. Step 3: Cross multiply
    2,551,031.81x = 3,520,423.58 × 1,405,112.16
  4. Step 4: Simplify right side
    2,551,031.81x = 4,946,589,973,583.17
  5. Step 5: Solve for x
    x = 4,946,589,973,583.17/2,551,031.81
  6. Step 6: Final answer
    x = 1,939,054.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.