Finding the Fourth Proportional to 1,881,146.21, 2,821,387.01 and 743,530.23
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Solution
The fourth proportional to 1,881,146.21, 2,821,387.01 and 743,530.23 is: 1,115,164.00
Step by Step Solution
- Step 1: Write the proportion equation
1,881,146.21 : 2,821,387.01 = 743,530.23 : x - Step 2: Convert to fraction form
1,881,146.21/2,821,387.01 = 743,530.23/x - Step 3: Cross multiply
1,881,146.21x = 2,821,387.01 × 743,530.23 - Step 4: Simplify right side
1,881,146.21x = 2,097,786,528,746.66 - Step 5: Solve for x
x = 2,097,786,528,746.66/1,881,146.21 - Step 6: Final answer
x = 1,115,164.00
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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.