Finding the Fourth Proportional to 2,970,549.48, 4,451,832.96 and 1,620,689.36
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Solution
The fourth proportional to 2,970,549.48, 4,451,832.96 and 1,620,689.36 is: 2,428,856.47
Step by Step Solution
- Step 1: Write the proportion equation
2,970,549.48 : 4,451,832.96 = 1,620,689.36 : x - Step 2: Convert to fraction form
2,970,549.48/4,451,832.96 = 1,620,689.36/x - Step 3: Cross multiply
2,970,549.48x = 4,451,832.96 × 1,620,689.36 - Step 4: Simplify right side
2,970,549.48x = 7,215,038,310,769.31 - Step 5: Solve for x
x = 7,215,038,310,769.31/2,970,549.48 - Step 6: Final answer
x = 2,428,856.47
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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.