Finding the Fourth Proportional to 5,161,033.08, 7,121,822.20 and 2,869,054.20
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Solution
The fourth proportional to 5,161,033.08, 7,121,822.20 and 2,869,054.20 is: 3,959,070.52
Step by Step Solution
- Step 1: Write the proportion equation
5,161,033.08 : 7,121,822.20 = 2,869,054.20 : x - Step 2: Convert to fraction form
5,161,033.08/7,121,822.20 = 2,869,054.20/x - Step 3: Cross multiply
5,161,033.08x = 7,121,822.20 × 2,869,054.20 - Step 4: Simplify right side
5,161,033.08x = 20,432,893,894,563.24 - Step 5: Solve for x
x = 20,432,893,894,563.24/5,161,033.08 - Step 6: Final answer
x = 3,959,070.52
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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.