Finding the Fourth Proportional to 2,539,037.68, 3,503,936.48 and 1,393,117.72
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Solution
The fourth proportional to 2,539,037.68, 3,503,936.48 and 1,393,117.72 is: 1,922,537.83
Step by Step Solution
- Step 1: Write the proportion equation
2,539,037.68 : 3,503,936.48 = 1,393,117.72 : x - Step 2: Convert to fraction form
2,539,037.68/3,503,936.48 = 1,393,117.72/x - Step 3: Cross multiply
2,539,037.68x = 3,503,936.48 × 1,393,117.72 - Step 4: Simplify right side
2,539,037.68x = 4,881,395,984,317.00 - Step 5: Solve for x
x = 4,881,395,984,317.00/2,539,037.68 - Step 6: Final answer
x = 1,922,537.83
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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.