Finding the Fourth Proportional to 1,706,992.09, 2,542,376.06 and 1,698,742.15
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Solution
The fourth proportional to 1,706,992.09, 2,542,376.06 and 1,698,742.15 is: 2,530,088.69
Step by Step Solution
- Step 1: Write the proportion equation
1,706,992.09 : 2,542,376.06 = 1,698,742.15 : x - Step 2: Convert to fraction form
1,706,992.09/2,542,376.06 = 1,698,742.15/x - Step 3: Cross multiply
1,706,992.09x = 2,542,376.06 × 1,698,742.15 - Step 4: Simplify right side
1,706,992.09x = 4,318,841,374,272.93 - Step 5: Solve for x
x = 4,318,841,374,272.93/1,706,992.09 - Step 6: Final answer
x = 2,530,088.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.