Finding the Fourth Proportional to 4,157,640.47, 6,236,476.05 and 1,278,987.33
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Solution
The fourth proportional to 4,157,640.47, 6,236,476.05 and 1,278,987.33 is: 1,918,485.72
Step by Step Solution
- Step 1: Write the proportion equation
4,157,640.47 : 6,236,476.05 = 1,278,987.33 : x - Step 2: Convert to fraction form
4,157,640.47/6,236,476.05 = 1,278,987.33/x - Step 3: Cross multiply
4,157,640.47x = 6,236,476.05 × 1,278,987.33 - Step 4: Simplify right side
4,157,640.47x = 7,976,373,851,798.45 - Step 5: Solve for x
x = 7,976,373,851,798.45/4,157,640.47 - Step 6: Final answer
x = 1,918,485.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.