Finding the Fourth Proportional to 3,884,154.98, 5,360,453.00 and 2,142,165.09
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Solution
The fourth proportional to 3,884,154.98, 5,360,453.00 and 2,142,165.09 is: 2,956,363.83
Step by Step Solution
- Step 1: Write the proportion equation
3,884,154.98 : 5,360,453.00 = 2,142,165.09 : x - Step 2: Convert to fraction form
3,884,154.98/5,360,453.00 = 2,142,165.09/x - Step 3: Cross multiply
3,884,154.98x = 5,360,453.00 × 2,142,165.09 - Step 4: Simplify right side
3,884,154.98x = 11,482,975,272,474.94 - Step 5: Solve for x
x = 11,482,975,272,474.94/3,884,154.98 - Step 6: Final answer
x = 2,956,363.83
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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.