Finding the Fourth Proportional to 1,371,785.79, 1,893,988.26 and 856,324.47
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Solution
The fourth proportional to 1,371,785.79, 1,893,988.26 and 856,324.47 is: 1,182,304.49
Step by Step Solution
- Step 1: Write the proportion equation
1,371,785.79 : 1,893,988.26 = 856,324.47 : x - Step 2: Convert to fraction form
1,371,785.79/1,893,988.26 = 856,324.47/x - Step 3: Cross multiply
1,371,785.79x = 1,893,988.26 × 856,324.47 - Step 4: Simplify right side
1,371,785.79x = 1,621,868,492,930.72 - Step 5: Solve for x
x = 1,621,868,492,930.72/1,371,785.79 - Step 6: Final answer
x = 1,182,304.49
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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.