Finding the Fourth Proportional to 1,569,612.18, 2,165,999.49 and 890,585.94
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Solution
The fourth proportional to 1,569,612.18, 2,165,999.49 and 890,585.94 is: 1,228,971.54
Step by Step Solution
- Step 1: Write the proportion equation
1,569,612.18 : 2,165,999.49 = 890,585.94 : x - Step 2: Convert to fraction form
1,569,612.18/2,165,999.49 = 890,585.94/x - Step 3: Cross multiply
1,569,612.18x = 2,165,999.49 × 890,585.94 - Step 4: Simplify right side
1,569,612.18x = 1,929,008,691,841.17 - Step 5: Solve for x
x = 1,929,008,691,841.17/1,569,612.18 - Step 6: Final answer
x = 1,228,971.54
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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.