Finding the Fourth Proportional to 6,947,904.44, 10,421,461.38 and 2,090,107.64
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Solution
The fourth proportional to 6,947,904.44, 10,421,461.38 and 2,090,107.64 is: 3,135,042.55
Step by Step Solution
- Step 1: Write the proportion equation
6,947,904.44 : 10,421,461.38 = 2,090,107.64 : x - Step 2: Convert to fraction form
6,947,904.44/10,421,461.38 = 2,090,107.64/x - Step 3: Cross multiply
6,947,904.44x = 10,421,461.38 × 2,090,107.64 - Step 4: Simplify right side
6,947,904.44x = 21,781,976,050,302.95 - Step 5: Solve for x
x = 21,781,976,050,302.95/6,947,904.44 - Step 6: Final answer
x = 3,135,042.55
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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.