Finding the Fourth Proportional to 3,830,544.12, 5,286,209.53 and 2,088,214.53
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Solution
The fourth proportional to 3,830,544.12, 5,286,209.53 and 2,088,214.53 is: 2,881,768.02
Step by Step Solution
- Step 1: Write the proportion equation
3,830,544.12 : 5,286,209.53 = 2,088,214.53 : x - Step 2: Convert to fraction form
3,830,544.12/5,286,209.53 = 2,088,214.53/x - Step 3: Cross multiply
3,830,544.12x = 5,286,209.53 × 2,088,214.53 - Step 4: Simplify right side
3,830,544.12x = 11,038,739,528,042.05 - Step 5: Solve for x
x = 11,038,739,528,042.05/3,830,544.12 - Step 6: Final answer
x = 2,881,768.02
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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.