Finding the Fourth Proportional to 6,497,489.07, 8,966,640.60 and 3,557,256.48
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Solution
The fourth proportional to 6,497,489.07, 8,966,640.60 and 3,557,256.48 is: 4,909,071.80
Step by Step Solution
- Step 1: Write the proportion equation
6,497,489.07 : 8,966,640.60 = 3,557,256.48 : x - Step 2: Convert to fraction form
6,497,489.07/8,966,640.60 = 3,557,256.48/x - Step 3: Cross multiply
6,497,489.07x = 8,966,640.60 × 3,557,256.48 - Step 4: Simplify right side
6,497,489.07x = 31,896,640,378,181.09 - Step 5: Solve for x
x = 31,896,640,378,181.09/6,497,489.07 - Step 6: Final answer
x = 4,909,071.80
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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.