Finding the Fourth Proportional to 1,566,340.58, 2,161,508 and 921,798.74
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Solution
The fourth proportional to 1,566,340.58, 2,161,508 and 921,798.74 is: 1,272,057.54
Step by Step Solution
- Step 1: Write the proportion equation
1,566,340.58 : 2,161,508 = 921,798.74 : x - Step 2: Convert to fraction form
1,566,340.58/2,161,508 = 921,798.74/x - Step 3: Cross multiply
1,566,340.58x = 2,161,508 × 921,798.74 - Step 4: Simplify right side
1,566,340.58x = 1,992,475,350,899.92 - Step 5: Solve for x
x = 1,992,475,350,899.92/1,566,340.58 - Step 6: Final answer
x = 1,272,057.54
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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.