Finding the Fourth Proportional to 3,505,881.40, 4,838,116.14 and 1,896,249.40
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Solution
The fourth proportional to 3,505,881.40, 4,838,116.14 and 1,896,249.40 is: 2,616,824.07
Step by Step Solution
- Step 1: Write the proportion equation
3,505,881.40 : 4,838,116.14 = 1,896,249.40 : x - Step 2: Convert to fraction form
3,505,881.40/4,838,116.14 = 1,896,249.40/x - Step 3: Cross multiply
3,505,881.40x = 4,838,116.14 × 1,896,249.40 - Step 4: Simplify right side
3,505,881.40x = 9,174,274,827,605.32 - Step 5: Solve for x
x = 9,174,274,827,605.32/3,505,881.40 - Step 6: Final answer
x = 2,616,824.07
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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.