Finding the Fourth Proportional to 4,090,487.04, 5,645,064.96 and 2,279,664
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Solution
The fourth proportional to 4,090,487.04, 5,645,064.96 and 2,279,664 is: 3,146,043.79
Step by Step Solution
- Step 1: Write the proportion equation
4,090,487.04 : 5,645,064.96 = 2,279,664 : x - Step 2: Convert to fraction form
4,090,487.04/5,645,064.96 = 2,279,664/x - Step 3: Cross multiply
4,090,487.04x = 5,645,064.96 × 2,279,664 - Step 4: Simplify right side
4,090,487.04x = 12,868,851,366,973.44 - Step 5: Solve for x
x = 12,868,851,366,973.44/4,090,487.04 - Step 6: Final answer
x = 3,146,043.79
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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.