Finding the Fourth Proportional to 4,218,523.14, 5,821,543.52 and 2,357,936.20
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Solution
The fourth proportional to 4,218,523.14, 5,821,543.52 and 2,357,936.20 is: 3,253,941.66
Step by Step Solution
- Step 1: Write the proportion equation
4,218,523.14 : 5,821,543.52 = 2,357,936.20 : x - Step 2: Convert to fraction form
4,218,523.14/5,821,543.52 = 2,357,936.20/x - Step 3: Cross multiply
4,218,523.14x = 5,821,543.52 × 2,357,936.20 - Step 4: Simplify right side
4,218,523.14x = 13,726,828,210,012.93 - Step 5: Solve for x
x = 13,726,828,210,012.93/4,218,523.14 - Step 6: Final answer
x = 3,253,941.66
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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.