Finding the Fourth Proportional to 1,589,473.18, 2,199,248.97 and 1,385,948.22
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Solution
The fourth proportional to 1,589,473.18, 2,199,248.97 and 1,385,948.22 is: 1,917,644.94
Step by Step Solution
- Step 1: Write the proportion equation
1,589,473.18 : 2,199,248.97 = 1,385,948.22 : x - Step 2: Convert to fraction form
1,589,473.18/2,199,248.97 = 1,385,948.22/x - Step 3: Cross multiply
1,589,473.18x = 2,199,248.97 × 1,385,948.22 - Step 4: Simplify right side
1,589,473.18x = 3,048,045,195,308.33 - Step 5: Solve for x
x = 3,048,045,195,308.33/1,589,473.18 - Step 6: Final answer
x = 1,917,644.94
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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.