Finding the Fourth Proportional to 1,612,645.64, 2,420,463.13 and 814,487.69
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Solution
The fourth proportional to 1,612,645.64, 2,420,463.13 and 814,487.69 is: 1,222,486.44
Step by Step Solution
- Step 1: Write the proportion equation
1,612,645.64 : 2,420,463.13 = 814,487.69 : x - Step 2: Convert to fraction form
1,612,645.64/2,420,463.13 = 814,487.69/x - Step 3: Cross multiply
1,612,645.64x = 2,420,463.13 × 814,487.69 - Step 4: Simplify right side
1,612,645.64x = 1,971,437,427,498.81 - Step 5: Solve for x
x = 1,971,437,427,498.81/1,612,645.64 - Step 6: Final answer
x = 1,222,486.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.