Finding the Fourth Proportional to 1,965,803.04, 2,711,767.68 and 1,352,891.70
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Solution
The fourth proportional to 1,965,803.04, 2,711,767.68 and 1,352,891.70 is: 1,866,274.45
Step by Step Solution
- Step 1: Write the proportion equation
1,965,803.04 : 2,711,767.68 = 1,352,891.70 : x - Step 2: Convert to fraction form
1,965,803.04/2,711,767.68 = 1,352,891.70/x - Step 3: Cross multiply
1,965,803.04x = 2,711,767.68 × 1,352,891.70 - Step 4: Simplify right side
1,965,803.04x = 3,668,727,986,600.26 - Step 5: Solve for x
x = 3,668,727,986,600.26/1,965,803.04 - Step 6: Final answer
x = 1,866,274.45
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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.