Finding the Fourth Proportional to 1,538,983.18, 2,125,158.58 and 959,195.82
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Solution
The fourth proportional to 1,538,983.18, 2,125,158.58 and 959,195.82 is: 1,324,538.99
Step by Step Solution
- Step 1: Write the proportion equation
1,538,983.18 : 2,125,158.58 = 959,195.82 : x - Step 2: Convert to fraction form
1,538,983.18/2,125,158.58 = 959,195.82/x - Step 3: Cross multiply
1,538,983.18x = 2,125,158.58 × 959,195.82 - Step 4: Simplify right side
1,538,983.18x = 2,038,443,226,773.14 - Step 5: Solve for x
x = 2,038,443,226,773.14/1,538,983.18 - Step 6: Final answer
x = 1,324,538.99
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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.