Finding the Fourth Proportional to 1,513,436, 2,088,555.84 and 834,396.80
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Solution
The fourth proportional to 1,513,436, 2,088,555.84 and 834,396.80 is: 1,151,475.39
Step by Step Solution
- Step 1: Write the proportion equation
1,513,436 : 2,088,555.84 = 834,396.80 : x - Step 2: Convert to fraction form
1,513,436/2,088,555.84 = 834,396.80/x - Step 3: Cross multiply
1,513,436x = 2,088,555.84 × 834,396.80 - Step 4: Simplify right side
1,513,436x = 1,742,684,309,517.31 - Step 5: Solve for x
x = 1,742,684,309,517.31/1,513,436 - Step 6: Final answer
x = 1,151,475.39
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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.