Finding the Fourth Proportional to 4,161,688.64, 6,242,948.32 and 1,129,102.08
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Solution
The fourth proportional to 4,161,688.64, 6,242,948.32 and 1,129,102.08 is: 1,693,765.81
Step by Step Solution
- Step 1: Write the proportion equation
4,161,688.64 : 6,242,948.32 = 1,129,102.08 : x - Step 2: Convert to fraction form
4,161,688.64/6,242,948.32 = 1,129,102.08/x - Step 3: Cross multiply
4,161,688.64x = 6,242,948.32 × 1,129,102.08 - Step 4: Simplify right side
4,161,688.64x = 7,048,925,933,444.51 - Step 5: Solve for x
x = 7,048,925,933,444.51/4,161,688.64 - Step 6: Final answer
x = 1,693,765.81
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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.