Finding the Fourth Proportional to 4,915,126.42, 7,366,897.52 and 2,216,291.88
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Solution
The fourth proportional to 4,915,126.42, 7,366,897.52 and 2,216,291.88 is: 3,321,826.09
Step by Step Solution
- Step 1: Write the proportion equation
4,915,126.42 : 7,366,897.52 = 2,216,291.88 : x - Step 2: Convert to fraction form
4,915,126.42/7,366,897.52 = 2,216,291.88/x - Step 3: Cross multiply
4,915,126.42x = 7,366,897.52 × 2,216,291.88 - Step 4: Simplify right side
4,915,126.42x = 16,327,195,154,368.14 - Step 5: Solve for x
x = 16,327,195,154,368.14/4,915,126.42 - Step 6: Final answer
x = 3,321,826.09
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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.