Finding the Fourth Proportional to 1,435,744.17, 2,153,674.58 and 636,876.81
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Solution
The fourth proportional to 1,435,744.17, 2,153,674.58 and 636,876.81 is: 955,341.08
Step by Step Solution
- Step 1: Write the proportion equation
1,435,744.17 : 2,153,674.58 = 636,876.81 : x - Step 2: Convert to fraction form
1,435,744.17/2,153,674.58 = 636,876.81/x - Step 3: Cross multiply
1,435,744.17x = 2,153,674.58 × 636,876.81 - Step 4: Simplify right side
1,435,744.17x = 1,371,625,393,104.11 - Step 5: Solve for x
x = 1,371,625,393,104.11/1,435,744.17 - Step 6: Final answer
x = 955,341.08
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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.