Finding the Fourth Proportional to 1,539,676.44, 2,124,686.57 and 841,944.33
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Solution
The fourth proportional to 1,539,676.44, 2,124,686.57 and 841,944.33 is: 1,161,846.58
Step by Step Solution
- Step 1: Write the proportion equation
1,539,676.44 : 2,124,686.57 = 841,944.33 : x - Step 2: Convert to fraction form
1,539,676.44/2,124,686.57 = 841,944.33/x - Step 3: Cross multiply
1,539,676.44x = 2,124,686.57 × 841,944.33 - Step 4: Simplify right side
1,539,676.44x = 1,788,867,806,428.93 - Step 5: Solve for x
x = 1,788,867,806,428.93/1,539,676.44 - Step 6: Final answer
x = 1,161,846.58
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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.