Finding the Fourth Proportional to 1,526,638.50, 2,106,678.86 and 847,531.26
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Solution
The fourth proportional to 1,526,638.50, 2,106,678.86 and 847,531.26 is: 1,169,547.47
Step by Step Solution
- Step 1: Write the proportion equation
1,526,638.50 : 2,106,678.86 = 847,531.26 : x - Step 2: Convert to fraction form
1,526,638.50/2,106,678.86 = 847,531.26/x - Step 3: Cross multiply
1,526,638.50x = 2,106,678.86 × 847,531.26 - Step 4: Simplify right side
1,526,638.50x = 1,785,476,188,631.16 - Step 5: Solve for x
x = 1,785,476,188,631.16/1,526,638.50 - Step 6: Final answer
x = 1,169,547.47
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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.