Finding the Fourth Proportional to 1,487,137.47, 2,052,262.70 and 808,073.97
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Solution
The fourth proportional to 1,487,137.47, 2,052,262.70 and 808,073.97 is: 1,115,149.14
Step by Step Solution
- Step 1: Write the proportion equation
1,487,137.47 : 2,052,262.70 = 808,073.97 : x - Step 2: Convert to fraction form
1,487,137.47/2,052,262.70 = 808,073.97/x - Step 3: Cross multiply
1,487,137.47x = 2,052,262.70 × 808,073.97 - Step 4: Simplify right side
1,487,137.47x = 1,658,380,063,431.55 - Step 5: Solve for x
x = 1,658,380,063,431.55/1,487,137.47 - Step 6: Final answer
x = 1,115,149.14
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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.