Finding the Fourth Proportional to 3,298,807.97, 4,946,659.11 and 1,277,998.10
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Solution
The fourth proportional to 3,298,807.97, 4,946,659.11 and 1,277,998.10 is: 1,916,395.55
Step by Step Solution
- Step 1: Write the proportion equation
3,298,807.97 : 4,946,659.11 = 1,277,998.10 : x - Step 2: Convert to fraction form
3,298,807.97/4,946,659.11 = 1,277,998.10/x - Step 3: Cross multiply
3,298,807.97x = 4,946,659.11 × 1,277,998.10 - Step 4: Simplify right side
3,298,807.97x = 6,321,820,919,194.40 - Step 5: Solve for x
x = 6,321,820,919,194.40/3,298,807.97 - Step 6: Final answer
x = 1,916,395.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.