Finding the Fourth Proportional to 2,074,909.63, 2,863,397.16 and 1,169,491.63
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Solution
The fourth proportional to 2,074,909.63, 2,863,397.16 and 1,169,491.63 is: 1,613,910.78
Step by Step Solution
- Step 1: Write the proportion equation
2,074,909.63 : 2,863,397.16 = 1,169,491.63 : x - Step 2: Convert to fraction form
2,074,909.63/2,863,397.16 = 1,169,491.63/x - Step 3: Cross multiply
2,074,909.63x = 2,863,397.16 × 1,169,491.63 - Step 4: Simplify right side
2,074,909.63x = 3,348,719,011,985.77 - Step 5: Solve for x
x = 3,348,719,011,985.77/2,074,909.63 - Step 6: Final answer
x = 1,613,910.78
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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.