Finding the Fourth Proportional to 2,751,830.20, 4,128,134.10 and 858,374.20
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Solution
The fourth proportional to 2,751,830.20, 4,128,134.10 and 858,374.20 is: 1,287,682.58
Step by Step Solution
- Step 1: Write the proportion equation
2,751,830.20 : 4,128,134.10 = 858,374.20 : x - Step 2: Convert to fraction form
2,751,830.20/4,128,134.10 = 858,374.20/x - Step 3: Cross multiply
2,751,830.20x = 4,128,134.10 × 858,374.20 - Step 4: Simplify right side
2,751,830.20x = 3,543,483,805,580.22 - Step 5: Solve for x
x = 3,543,483,805,580.22/2,751,830.20 - Step 6: Final answer
x = 1,287,682.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.