Finding the Fourth Proportional to 2,545,242.62, 3,817,864.80 and 748,126.40
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Solution
The fourth proportional to 2,545,242.62, 3,817,864.80 and 748,126.40 is: 1,122,189.85
Step by Step Solution
- Step 1: Write the proportion equation
2,545,242.62 : 3,817,864.80 = 748,126.40 : x - Step 2: Convert to fraction form
2,545,242.62/3,817,864.80 = 748,126.40/x - Step 3: Cross multiply
2,545,242.62x = 3,817,864.80 × 748,126.40 - Step 4: Simplify right side
2,545,242.62x = 2,856,245,429,421.40 - Step 5: Solve for x
x = 2,856,245,429,421.40/2,545,242.62 - Step 6: Final answer
x = 1,122,189.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.