Finding the Fourth Proportional to 2,700,703.96, 3,727,429.74 and 1,555,447.36
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Solution
The fourth proportional to 2,700,703.96, 3,727,429.74 and 1,555,447.36 is: 2,146,781.30
Step by Step Solution
- Step 1: Write the proportion equation
2,700,703.96 : 3,727,429.74 = 1,555,447.36 : x - Step 2: Convert to fraction form
2,700,703.96/3,727,429.74 = 1,555,447.36/x - Step 3: Cross multiply
2,700,703.96x = 3,727,429.74 × 1,555,447.36 - Step 4: Simplify right side
2,700,703.96x = 5,797,820,748,668.49 - Step 5: Solve for x
x = 5,797,820,748,668.49/2,700,703.96 - Step 6: Final answer
x = 2,146,781.30
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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.