Finding the Fourth Proportional to 1,561,258.95, 2,153,348.57 and 1,343,837.67
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Solution
The fourth proportional to 1,561,258.95, 2,153,348.57 and 1,343,837.67 is: 1,853,472.75
Step by Step Solution
- Step 1: Write the proportion equation
1,561,258.95 : 2,153,348.57 = 1,343,837.67 : x - Step 2: Convert to fraction form
1,561,258.95/2,153,348.57 = 1,343,837.67/x - Step 3: Cross multiply
1,561,258.95x = 2,153,348.57 × 1,343,837.67 - Step 4: Simplify right side
1,561,258.95x = 2,893,750,918,287.44 - Step 5: Solve for x
x = 2,893,750,918,287.44/1,561,258.95 - Step 6: Final answer
x = 1,853,472.75
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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.