Finding the Fourth Proportional to 3,492,701.21, 5,239,923.56 and 1,218,258.36
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Solution
The fourth proportional to 3,492,701.21, 5,239,923.56 and 1,218,258.36 is: 1,827,691.60
Step by Step Solution
- Step 1: Write the proportion equation
3,492,701.21 : 5,239,923.56 = 1,218,258.36 : x - Step 2: Convert to fraction form
3,492,701.21/5,239,923.56 = 1,218,258.36/x - Step 3: Cross multiply
3,492,701.21x = 5,239,923.56 × 1,218,258.36 - Step 4: Simplify right side
3,492,701.21x = 6,383,580,681,208.14 - Step 5: Solve for x
x = 6,383,580,681,208.14/3,492,701.21 - Step 6: Final answer
x = 1,827,691.60
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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.