Finding the Fourth Proportional to 5,129,694.72, 7,696,310.40 and 2,291,765.76
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Solution
The fourth proportional to 5,129,694.72, 7,696,310.40 and 2,291,765.76 is: 3,438,438.66
Step by Step Solution
- Step 1: Write the proportion equation
5,129,694.72 : 7,696,310.40 = 2,291,765.76 : x - Step 2: Convert to fraction form
5,129,694.72/7,696,310.40 = 2,291,765.76/x - Step 3: Cross multiply
5,129,694.72x = 7,696,310.40 × 2,291,765.76 - Step 4: Simplify right side
5,129,694.72x = 17,638,140,653,051.90 - Step 5: Solve for x
x = 17,638,140,653,051.90/5,129,694.72 - Step 6: Final answer
x = 3,438,438.66
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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.