Finding the Fourth Proportional to 1,566,406.08, 2,161,598.36 and 921,864.24
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Solution
The fourth proportional to 1,566,406.08, 2,161,598.36 and 921,864.24 is: 1,272,147.92
Step by Step Solution
- Step 1: Write the proportion equation
1,566,406.08 : 2,161,598.36 = 921,864.24 : x - Step 2: Convert to fraction form
1,566,406.08/2,161,598.36 = 921,864.24/x - Step 3: Cross multiply
1,566,406.08x = 2,161,598.36 × 921,864.24 - Step 4: Simplify right side
1,566,406.08x = 1,992,700,229,326.65 - Step 5: Solve for x
x = 1,992,700,229,326.65/1,566,406.08 - Step 6: Final answer
x = 1,272,147.92
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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.