Finding the Fourth Proportional to 1,934,397.19, 2,668,639.87 and 1,207,983.93
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Solution
The fourth proportional to 1,934,397.19, 2,668,639.87 and 1,207,983.93 is: 1,666,500.60
Step by Step Solution
- Step 1: Write the proportion equation
1,934,397.19 : 2,668,639.87 = 1,207,983.93 : x - Step 2: Convert to fraction form
1,934,397.19/2,668,639.87 = 1,207,983.93/x - Step 3: Cross multiply
1,934,397.19x = 2,668,639.87 × 1,207,983.93 - Step 4: Simplify right side
1,934,397.19x = 3,223,674,077,917.29 - Step 5: Solve for x
x = 3,223,674,077,917.29/1,934,397.19 - Step 6: Final answer
x = 1,666,500.60
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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.