Finding the Fourth Proportional to 3,749,974.06, 5,175,070.44 and 2,118,450.46
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Solution
The fourth proportional to 3,749,974.06, 5,175,070.44 and 2,118,450.46 is: 2,923,521.65
Step by Step Solution
- Step 1: Write the proportion equation
3,749,974.06 : 5,175,070.44 = 2,118,450.46 : x - Step 2: Convert to fraction form
3,749,974.06/5,175,070.44 = 2,118,450.46/x - Step 3: Cross multiply
3,749,974.06x = 5,175,070.44 × 2,118,450.46 - Step 4: Simplify right side
3,749,974.06x = 10,963,130,354,150.40 - Step 5: Solve for x
x = 10,963,130,354,150.40/3,749,974.06 - Step 6: Final answer
x = 2,923,521.65
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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.