Finding the Fourth Proportional to 2,135,447.60, 2,946,917.77 and 1,168,577.93
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Solution
The fourth proportional to 2,135,447.60, 2,946,917.77 and 1,168,577.93 is: 1,612,637.59
Step by Step Solution
- Step 1: Write the proportion equation
2,135,447.60 : 2,946,917.77 = 1,168,577.93 : x - Step 2: Convert to fraction form
2,135,447.60/2,946,917.77 = 1,168,577.93/x - Step 3: Cross multiply
2,135,447.60x = 2,946,917.77 × 1,168,577.93 - Step 4: Simplify right side
2,135,447.60x = 3,443,703,071,992.67 - Step 5: Solve for x
x = 3,443,703,071,992.67/2,135,447.60 - Step 6: Final answer
x = 1,612,637.59
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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.