Finding the Fourth Proportional to 1,492,391.98, 2,059,248.79 and 838,930.96
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Solution
The fourth proportional to 1,492,391.98, 2,059,248.79 and 838,930.96 is: 1,157,582.99
Step by Step Solution
- Step 1: Write the proportion equation
1,492,391.98 : 2,059,248.79 = 838,930.96 : x - Step 2: Convert to fraction form
1,492,391.98/2,059,248.79 = 838,930.96/x - Step 3: Cross multiply
1,492,391.98x = 2,059,248.79 × 838,930.96 - Step 4: Simplify right side
1,492,391.98x = 1,727,567,564,273.54 - Step 5: Solve for x
x = 1,727,567,564,273.54/1,492,391.98 - Step 6: Final answer
x = 1,157,582.99
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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.