Finding the Fourth Proportional to 2,124,581.80, 3,187,369.92 and 845,261.68
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Solution
The fourth proportional to 2,124,581.80, 3,187,369.92 and 845,261.68 is: 1,268,090.34
Step by Step Solution
- Step 1: Write the proportion equation
2,124,581.80 : 3,187,369.92 = 845,261.68 : x - Step 2: Convert to fraction form
2,124,581.80/3,187,369.92 = 845,261.68/x - Step 3: Cross multiply
2,124,581.80x = 3,187,369.92 × 845,261.68 - Step 4: Simplify right side
2,124,581.80x = 2,694,161,653,360.67 - Step 5: Solve for x
x = 2,694,161,653,360.67/2,124,581.80 - Step 6: Final answer
x = 1,268,090.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.