Finding the Fourth Proportional to 1,553,569.24, 2,143,345.24 and 1,551,174.24
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Solution
The fourth proportional to 1,553,569.24, 2,143,345.24 and 1,551,174.24 is: 2,140,041.03
Step by Step Solution
- Step 1: Write the proportion equation
1,553,569.24 : 2,143,345.24 = 1,551,174.24 : x - Step 2: Convert to fraction form
1,553,569.24/2,143,345.24 = 1,551,174.24/x - Step 3: Cross multiply
1,553,569.24x = 2,143,345.24 × 1,551,174.24 - Step 4: Simplify right side
1,553,569.24x = 3,324,701,923,714.62 - Step 5: Solve for x
x = 3,324,701,923,714.62/1,553,569.24 - Step 6: Final answer
x = 2,140,041.03
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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.