Finding the Fourth Proportional to 3,640,840.49, 5,026,248.68 and 2,659,677.79
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Solution
The fourth proportional to 3,640,840.49, 5,026,248.68 and 2,659,677.79 is: 3,671,735.14
Step by Step Solution
- Step 1: Write the proportion equation
3,640,840.49 : 5,026,248.68 = 2,659,677.79 : x - Step 2: Convert to fraction form
3,640,840.49/5,026,248.68 = 2,659,677.79/x - Step 3: Cross multiply
3,640,840.49x = 5,026,248.68 × 2,659,677.79 - Step 4: Simplify right side
3,640,840.49x = 13,368,201,942,783.19 - Step 5: Solve for x
x = 13,368,201,942,783.19/3,640,840.49 - Step 6: Final answer
x = 3,671,735.14
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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.