Finding the Fourth Proportional to 2,718,471.78, 3,745,963.26 and 2,102,886.36
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Solution
The fourth proportional to 2,718,471.78, 3,745,963.26 and 2,102,886.36 is: 2,897,707.12
Step by Step Solution
- Step 1: Write the proportion equation
2,718,471.78 : 3,745,963.26 = 2,102,886.36 : x - Step 2: Convert to fraction form
2,718,471.78/3,745,963.26 = 2,102,886.36/x - Step 3: Cross multiply
2,718,471.78x = 3,745,963.26 × 2,102,886.36 - Step 4: Simplify right side
2,718,471.78x = 7,877,335,044,515.13 - Step 5: Solve for x
x = 7,877,335,044,515.13/2,718,471.78 - Step 6: Final answer
x = 2,897,707.12
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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.