Finding the Fourth Proportional to 2,558,695.20, 3,817,393.68 and 2,465,659.68
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Solution
The fourth proportional to 2,558,695.20, 3,817,393.68 and 2,465,659.68 is: 3,678,591.21
Step by Step Solution
- Step 1: Write the proportion equation
2,558,695.20 : 3,817,393.68 = 2,465,659.68 : x - Step 2: Convert to fraction form
2,558,695.20/3,817,393.68 = 2,465,659.68/x - Step 3: Cross multiply
2,558,695.20x = 3,817,393.68 × 2,465,659.68 - Step 4: Simplify right side
2,558,695.20x = 9,412,393,679,462.82 - Step 5: Solve for x
x = 9,412,393,679,462.82/2,558,695.20 - Step 6: Final answer
x = 3,678,591.21
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.