Finding the Fourth Proportional to 2,287,985.08, 3,157,377.40 and 1,269,367.96
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Solution
The fourth proportional to 2,287,985.08, 3,157,377.40 and 1,269,367.96 is: 1,751,704.48
Step by Step Solution
- Step 1: Write the proportion equation
2,287,985.08 : 3,157,377.40 = 1,269,367.96 : x - Step 2: Convert to fraction form
2,287,985.08/3,157,377.40 = 1,269,367.96/x - Step 3: Cross multiply
2,287,985.08x = 3,157,377.40 × 1,269,367.96 - Step 4: Simplify right side
2,287,985.08x = 4,007,873,709,188.10 - Step 5: Solve for x
x = 4,007,873,709,188.10/2,287,985.08 - Step 6: Final answer
x = 1,751,704.48
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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.