Finding the Fourth Proportional to 1,943,269.29, 2,681,716.28 and 1,083,885.21
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Solution
The fourth proportional to 1,943,269.29, 2,681,716.28 and 1,083,885.21 is: 1,495,764.19
Step by Step Solution
- Step 1: Write the proportion equation
1,943,269.29 : 2,681,716.28 = 1,083,885.21 : x - Step 2: Convert to fraction form
1,943,269.29/2,681,716.28 = 1,083,885.21/x - Step 3: Cross multiply
1,943,269.29x = 2,681,716.28 × 1,083,885.21 - Step 4: Simplify right side
1,943,269.29x = 2,906,672,607,888.79 - Step 5: Solve for x
x = 2,906,672,607,888.79/1,943,269.29 - Step 6: Final answer
x = 1,495,764.19
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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.