Finding the Fourth Proportional to 1,517,742.87, 2,094,402.92 and 838,635.63
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Solution
The fourth proportional to 1,517,742.87, 2,094,402.92 and 838,635.63 is: 1,157,271.73
Step by Step Solution
- Step 1: Write the proportion equation
1,517,742.87 : 2,094,402.92 = 838,635.63 : x - Step 2: Convert to fraction form
1,517,742.87/2,094,402.92 = 838,635.63/x - Step 3: Cross multiply
1,517,742.87x = 2,094,402.92 × 838,635.63 - Step 4: Simplify right side
1,517,742.87x = 1,756,440,912,288.04 - Step 5: Solve for x
x = 1,756,440,912,288.04/1,517,742.87 - Step 6: Final answer
x = 1,157,271.73
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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.