Finding the Fourth Proportional to 1,073,821.84, 1,610,733.12 and 315,663.28
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Solution
The fourth proportional to 1,073,821.84, 1,610,733.12 and 315,663.28 is: 473,495.03
Step by Step Solution
- Step 1: Write the proportion equation
1,073,821.84 : 1,610,733.12 = 315,663.28 : x - Step 2: Convert to fraction form
1,073,821.84/1,610,733.12 = 315,663.28/x - Step 3: Cross multiply
1,073,821.84x = 1,610,733.12 × 315,663.28 - Step 4: Simplify right side
1,073,821.84x = 508,449,299,863.83 - Step 5: Solve for x
x = 508,449,299,863.83/1,073,821.84 - Step 6: Final answer
x = 473,495.03
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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.