Finding the Fourth Proportional to 2,054,615.40, 2,836,509.42 and 1,239,025.68
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Solution
The fourth proportional to 2,054,615.40, 2,836,509.42 and 1,239,025.68 is: 1,710,543.01
Step by Step Solution
- Step 1: Write the proportion equation
2,054,615.40 : 2,836,509.42 = 1,239,025.68 : x - Step 2: Convert to fraction form
2,054,615.40/2,836,509.42 = 1,239,025.68/x - Step 3: Cross multiply
2,054,615.40x = 2,836,509.42 × 1,239,025.68 - Step 4: Simplify right side
2,054,615.40x = 3,514,508,012,941.91 - Step 5: Solve for x
x = 3,514,508,012,941.91/2,054,615.40 - Step 6: Final answer
x = 1,710,543.01
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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.