Finding the Fourth Proportional to 1,824,383.52, 2,517,720.26 and 1,211,479.47
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Solution
The fourth proportional to 1,824,383.52, 2,517,720.26 and 1,211,479.47 is: 1,671,888.81
Step by Step Solution
- Step 1: Write the proportion equation
1,824,383.52 : 2,517,720.26 = 1,211,479.47 : x - Step 2: Convert to fraction form
1,824,383.52/2,517,720.26 = 1,211,479.47/x - Step 3: Cross multiply
1,824,383.52x = 2,517,720.26 × 1,211,479.47 - Step 4: Simplify right side
1,824,383.52x = 3,050,166,400,135.66 - Step 5: Solve for x
x = 3,050,166,400,135.66/1,824,383.52 - Step 6: Final answer
x = 1,671,888.81
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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.