Finding the Fourth Proportional to 3,875,937, 5,348,740.80 and 2,157,057.06
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Solution
The fourth proportional to 3,875,937, 5,348,740.80 and 2,157,057.06 is: 2,976,709.66
Step by Step Solution
- Step 1: Write the proportion equation
3,875,937 : 5,348,740.80 = 2,157,057.06 : x - Step 2: Convert to fraction form
3,875,937/5,348,740.80 = 2,157,057.06/x - Step 3: Cross multiply
3,875,937x = 5,348,740.80 × 2,157,057.06 - Step 4: Simplify right side
3,875,937x = 11,537,539,104,750.05 - Step 5: Solve for x
x = 11,537,539,104,750.05/3,875,937 - Step 6: Final answer
x = 2,976,709.66
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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.