Finding the Fourth Proportional to 2,219,815.13, 3,063,366.75 and 1,201,241.75
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Solution
The fourth proportional to 2,219,815.13, 3,063,366.75 and 1,201,241.75 is: 1,657,725.45
Step by Step Solution
- Step 1: Write the proportion equation
2,219,815.13 : 3,063,366.75 = 1,201,241.75 : x - Step 2: Convert to fraction form
2,219,815.13/3,063,366.75 = 1,201,241.75/x - Step 3: Cross multiply
2,219,815.13x = 3,063,366.75 × 1,201,241.75 - Step 4: Simplify right side
2,219,815.13x = 3,679,844,020,344.98 - Step 5: Solve for x
x = 3,679,844,020,344.98/2,219,815.13 - Step 6: Final answer
x = 1,657,725.45
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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.