Finding the Fourth Proportional to 1,602,917.58, 2,212,029.99 and 877,812.78
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Solution
The fourth proportional to 1,602,917.58, 2,212,029.99 and 877,812.78 is: 1,211,383.68
Step by Step Solution
- Step 1: Write the proportion equation
1,602,917.58 : 2,212,029.99 = 877,812.78 : x - Step 2: Convert to fraction form
1,602,917.58/2,212,029.99 = 877,812.78/x - Step 3: Cross multiply
1,602,917.58x = 2,212,029.99 × 877,812.78 - Step 4: Simplify right side
1,602,917.58x = 1,941,748,194,965.27 - Step 5: Solve for x
x = 1,941,748,194,965.27/1,602,917.58 - Step 6: Final answer
x = 1,211,383.68
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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.