Finding the Fourth Proportional to 3,852,539.62, 5,316,803.85 and 2,133,820.06
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Solution
The fourth proportional to 3,852,539.62, 5,316,803.85 and 2,133,820.06 is: 2,944,837.39
Step by Step Solution
- Step 1: Write the proportion equation
3,852,539.62 : 5,316,803.85 = 2,133,820.06 : x - Step 2: Convert to fraction form
3,852,539.62/5,316,803.85 = 2,133,820.06/x - Step 3: Cross multiply
3,852,539.62x = 5,316,803.85 × 2,133,820.06 - Step 4: Simplify right side
3,852,539.62x = 11,345,102,704,925.05 - Step 5: Solve for x
x = 11,345,102,704,925.05/3,852,539.62 - Step 6: Final answer
x = 2,944,837.39
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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.