Finding the Fourth Proportional to 1,399,078.36, 2,090,651.18 and 1,050,589.63
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Solution
The fourth proportional to 1,399,078.36, 2,090,651.18 and 1,050,589.63 is: 1,569,902.38
Step by Step Solution
- Step 1: Write the proportion equation
1,399,078.36 : 2,090,651.18 = 1,050,589.63 : x - Step 2: Convert to fraction form
1,399,078.36/2,090,651.18 = 1,050,589.63/x - Step 3: Cross multiply
1,399,078.36x = 2,090,651.18 × 1,050,589.63 - Step 4: Simplify right side
1,399,078.36x = 2,196,416,449,655.26 - Step 5: Solve for x
x = 2,196,416,449,655.26/1,399,078.36 - Step 6: Final answer
x = 1,569,902.38
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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.