Finding the Fourth Proportional to 3,438,404.88, 5,157,646.20 and 1,042,230.48
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Solution
The fourth proportional to 3,438,404.88, 5,157,646.20 and 1,042,230.48 is: 1,563,357.51
Step by Step Solution
- Step 1: Write the proportion equation
3,438,404.88 : 5,157,646.20 = 1,042,230.48 : x - Step 2: Convert to fraction form
3,438,404.88/5,157,646.20 = 1,042,230.48/x - Step 3: Cross multiply
3,438,404.88x = 5,157,646.20 × 1,042,230.48 - Step 4: Simplify right side
3,438,404.88x = 5,375,456,074,696.18 - Step 5: Solve for x
x = 5,375,456,074,696.18/3,438,404.88 - Step 6: Final answer
x = 1,563,357.51
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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.