Finding the Fourth Proportional to 5,124,326.46, 7,071,569.38 and 2,801,228.70
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Solution
The fourth proportional to 5,124,326.46, 7,071,569.38 and 2,801,228.70 is: 3,865,694.99
Step by Step Solution
- Step 1: Write the proportion equation
5,124,326.46 : 7,071,569.38 = 2,801,228.70 : x - Step 2: Convert to fraction form
5,124,326.46/7,071,569.38 = 2,801,228.70/x - Step 3: Cross multiply
5,124,326.46x = 7,071,569.38 × 2,801,228.70 - Step 4: Simplify right side
5,124,326.46x = 19,809,083,101,297.21 - Step 5: Solve for x
x = 19,809,083,101,297.21/5,124,326.46 - Step 6: Final answer
x = 3,865,694.99
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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.