Finding the Fourth Proportional to 1,610,471.80, 2,415,999.30 and 809,738.20
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Solution
The fourth proportional to 1,610,471.80, 2,415,999.30 and 809,738.20 is: 1,214,753.92
Step by Step Solution
- Step 1: Write the proportion equation
1,610,471.80 : 2,415,999.30 = 809,738.20 : x - Step 2: Convert to fraction form
1,610,471.80/2,415,999.30 = 809,738.20/x - Step 3: Cross multiply
1,610,471.80x = 2,415,999.30 × 809,738.20 - Step 4: Simplify right side
1,610,471.80x = 1,956,326,924,383.26 - Step 5: Solve for x
x = 1,956,326,924,383.26/1,610,471.80 - Step 6: Final answer
x = 1,214,753.92
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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.