Finding the Fourth Proportional to 1,874,818.11, 2,587,248.23 and 1,015,378.41
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Solution
The fourth proportional to 1,874,818.11, 2,587,248.23 and 1,015,378.41 is: 1,401,221.79
Step by Step Solution
- Step 1: Write the proportion equation
1,874,818.11 : 2,587,248.23 = 1,015,378.41 : x - Step 2: Convert to fraction form
1,874,818.11/2,587,248.23 = 1,015,378.41/x - Step 3: Cross multiply
1,874,818.11x = 2,587,248.23 × 1,015,378.41 - Step 4: Simplify right side
1,874,818.11x = 2,627,035,988,975.82 - Step 5: Solve for x
x = 2,627,035,988,975.82/1,874,818.11 - Step 6: Final answer
x = 1,401,221.79
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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.