Finding the Fourth Proportional to 1,578,181.60, 2,177,900.22 and 853,027.48
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Solution
The fourth proportional to 1,578,181.60, 2,177,900.22 and 853,027.48 is: 1,177,183.12
Step by Step Solution
- Step 1: Write the proportion equation
1,578,181.60 : 2,177,900.22 = 853,027.48 : x - Step 2: Convert to fraction form
1,578,181.60/2,177,900.22 = 853,027.48/x - Step 3: Cross multiply
1,578,181.60x = 2,177,900.22 × 853,027.48 - Step 4: Simplify right side
1,578,181.60x = 1,857,808,736,358.05 - Step 5: Solve for x
x = 1,857,808,736,358.05/1,578,181.60 - Step 6: Final answer
x = 1,177,183.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.