Finding the Fourth Proportional to 1,824,536.18, 2,517,853.62 and 1,019,720.18
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Solution
The fourth proportional to 1,824,536.18, 2,517,853.62 and 1,019,720.18 is: 1,407,210.32
Step by Step Solution
- Step 1: Write the proportion equation
1,824,536.18 : 2,517,853.62 = 1,019,720.18 : x - Step 2: Convert to fraction form
1,824,536.18/2,517,853.62 = 1,019,720.18/x - Step 3: Cross multiply
1,824,536.18x = 2,517,853.62 × 1,019,720.18 - Step 4: Simplify right side
1,824,536.18x = 2,567,506,146,600.05 - Step 5: Solve for x
x = 2,567,506,146,600.05/1,824,536.18 - Step 6: Final answer
x = 1,407,210.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.