Finding the Fourth Proportional to 2,215,752.79, 3,060,261.09 and 1,489,339.36
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Solution
The fourth proportional to 2,215,752.79, 3,060,261.09 and 1,489,339.36 is: 2,056,983.66
Step by Step Solution
- Step 1: Write the proportion equation
2,215,752.79 : 3,060,261.09 = 1,489,339.36 : x - Step 2: Convert to fraction form
2,215,752.79/3,060,261.09 = 1,489,339.36/x - Step 3: Cross multiply
2,215,752.79x = 3,060,261.09 × 1,489,339.36 - Step 4: Simplify right side
2,215,752.79x = 4,557,767,293,213.50 - Step 5: Solve for x
x = 4,557,767,293,213.50/2,215,752.79 - Step 6: Final answer
x = 2,056,983.66
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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.