Finding the Fourth Proportional to 1,566,340.83, 2,161,508.36 and 921,798.99
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Solution
The fourth proportional to 1,566,340.83, 2,161,508.36 and 921,798.99 is: 1,272,057.89
Step by Step Solution
- Step 1: Write the proportion equation
1,566,340.83 : 2,161,508.36 = 921,798.99 : x - Step 2: Convert to fraction form
1,566,340.83/2,161,508.36 = 921,798.99/x - Step 3: Cross multiply
1,566,340.83x = 2,161,508.36 × 921,798.99 - Step 4: Simplify right side
1,566,340.83x = 1,992,476,218,515.56 - Step 5: Solve for x
x = 1,992,476,218,515.56/1,566,340.83 - Step 6: Final answer
x = 1,272,057.89
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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.