Finding the Fourth Proportional to 2,538,130.43, 3,807,557.44 and 832,407.18
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Solution
The fourth proportional to 2,538,130.43, 3,807,557.44 and 832,407.18 is: 1,248,729.42
Step by Step Solution
- Step 1: Write the proportion equation
2,538,130.43 : 3,807,557.44 = 832,407.18 : x - Step 2: Convert to fraction form
2,538,130.43/3,807,557.44 = 832,407.18/x - Step 3: Cross multiply
2,538,130.43x = 3,807,557.44 × 832,407.18 - Step 4: Simplify right side
2,538,130.43x = 3,169,438,151,318.42 - Step 5: Solve for x
x = 3,169,438,151,318.42/2,538,130.43 - Step 6: Final answer
x = 1,248,729.42
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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.