Finding the Fourth Proportional to 2,553,473.28, 3,830,770.20 and 756,497.28
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Solution
The fourth proportional to 2,553,473.28, 3,830,770.20 and 756,497.28 is: 1,134,911.91
Step by Step Solution
- Step 1: Write the proportion equation
2,553,473.28 : 3,830,770.20 = 756,497.28 : x - Step 2: Convert to fraction form
2,553,473.28/3,830,770.20 = 756,497.28/x - Step 3: Cross multiply
2,553,473.28x = 3,830,770.20 × 756,497.28 - Step 4: Simplify right side
2,553,473.28x = 2,897,967,236,605.06 - Step 5: Solve for x
x = 2,897,967,236,605.06/2,553,473.28 - Step 6: Final answer
x = 1,134,911.91
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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.