Finding the Fourth Proportional to 2,887,918.66, 3,985,202.19 and 1,598,682.16
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Solution
The fourth proportional to 2,887,918.66, 3,985,202.19 and 1,598,682.16 is: 2,206,111.87
Step by Step Solution
- Step 1: Write the proportion equation
2,887,918.66 : 3,985,202.19 = 1,598,682.16 : x - Step 2: Convert to fraction form
2,887,918.66/3,985,202.19 = 1,598,682.16/x - Step 3: Cross multiply
2,887,918.66x = 3,985,202.19 × 1,598,682.16 - Step 4: Simplify right side
2,887,918.66x = 6,371,071,645,145.93 - Step 5: Solve for x
x = 6,371,071,645,145.93/2,887,918.66 - Step 6: Final answer
x = 2,206,111.87
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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.