Finding the Fourth Proportional to 2,689,210.14, 3,711,293.55 and 1,643,079.21
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Solution
The fourth proportional to 2,689,210.14, 3,711,293.55 and 1,643,079.21 is: 2,267,561.46
Step by Step Solution
- Step 1: Write the proportion equation
2,689,210.14 : 3,711,293.55 = 1,643,079.21 : x - Step 2: Convert to fraction form
2,689,210.14/3,711,293.55 = 1,643,079.21/x - Step 3: Cross multiply
2,689,210.14x = 3,711,293.55 × 1,643,079.21 - Step 4: Simplify right side
2,689,210.14x = 6,097,949,274,212.10 - Step 5: Solve for x
x = 6,097,949,274,212.10/2,689,210.14 - Step 6: Final answer
x = 2,267,561.46
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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.