Finding the Fourth Proportional to 1,982,881.96, 2,736,394.42 and 1,077,463.96
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Solution
The fourth proportional to 1,982,881.96, 2,736,394.42 and 1,077,463.96 is: 1,486,909.67
Step by Step Solution
- Step 1: Write the proportion equation
1,982,881.96 : 2,736,394.42 = 1,077,463.96 : x - Step 2: Convert to fraction form
1,982,881.96/2,736,394.42 = 1,077,463.96/x - Step 3: Cross multiply
1,982,881.96x = 2,736,394.42 × 1,077,463.96 - Step 4: Simplify right side
1,982,881.96x = 2,948,366,367,895.10 - Step 5: Solve for x
x = 2,948,366,367,895.10/1,982,881.96 - Step 6: Final answer
x = 1,486,909.67
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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.