Finding the Fourth Proportional to 1,516,125.31, 2,092,260.12 and 827,811.11
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Solution
The fourth proportional to 1,516,125.31, 2,092,260.12 and 827,811.11 is: 1,142,383.26
Step by Step Solution
- Step 1: Write the proportion equation
1,516,125.31 : 2,092,260.12 = 827,811.11 : x - Step 2: Convert to fraction form
1,516,125.31/2,092,260.12 = 827,811.11/x - Step 3: Cross multiply
1,516,125.31x = 2,092,260.12 × 827,811.11 - Step 4: Simplify right side
1,516,125.31x = 1,731,996,172,345.93 - Step 5: Solve for x
x = 1,731,996,172,345.93/1,516,125.31 - Step 6: Final answer
x = 1,142,383.26
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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.