Finding the Fourth Proportional to 3,113,982.58, 4,297,326.87 and 1,737,314.68
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Solution
The fourth proportional to 3,113,982.58, 4,297,326.87 and 1,737,314.68 is: 2,397,511.50
Step by Step Solution
- Step 1: Write the proportion equation
3,113,982.58 : 4,297,326.87 = 1,737,314.68 : x - Step 2: Convert to fraction form
3,113,982.58/4,297,326.87 = 1,737,314.68/x - Step 3: Cross multiply
3,113,982.58x = 4,297,326.87 × 1,737,314.68 - Step 4: Simplify right side
3,113,982.58x = 7,465,809,056,009.45 - Step 5: Solve for x
x = 7,465,809,056,009.45/3,113,982.58 - Step 6: Final answer
x = 2,397,511.50
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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.