Finding the Fourth Proportional to 1,387,599.47, 2,081,240.21 and 363,028.66
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Solution
The fourth proportional to 1,387,599.47, 2,081,240.21 and 363,028.66 is: 544,501.39
Step by Step Solution
- Step 1: Write the proportion equation
1,387,599.47 : 2,081,240.21 = 363,028.66 : x - Step 2: Convert to fraction form
1,387,599.47/2,081,240.21 = 363,028.66/x - Step 3: Cross multiply
1,387,599.47x = 2,081,240.21 × 363,028.66 - Step 4: Simplify right side
1,387,599.47x = 755,549,844,574.42 - Step 5: Solve for x
x = 755,549,844,574.42/1,387,599.47 - Step 6: Final answer
x = 544,501.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.