Finding the Fourth Proportional to 2,252,759.12, 3,108,781.68 and 1,220,247.44
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Solution
The fourth proportional to 2,252,759.12, 3,108,781.68 and 1,220,247.44 is: 1,683,927.43
Step by Step Solution
- Step 1: Write the proportion equation
2,252,759.12 : 3,108,781.68 = 1,220,247.44 : x - Step 2: Convert to fraction form
2,252,759.12/3,108,781.68 = 1,220,247.44/x - Step 3: Cross multiply
2,252,759.12x = 3,108,781.68 × 1,220,247.44 - Step 4: Simplify right side
2,252,759.12x = 3,793,482,886,538.90 - Step 5: Solve for x
x = 3,793,482,886,538.90/2,252,759.12 - Step 6: Final answer
x = 1,683,927.43
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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.