Finding the Fourth Proportional to 1,661,426.11, 2,292,770.09 and 897,479.68
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Solution
The fourth proportional to 1,661,426.11, 2,292,770.09 and 897,479.68 is: 1,238,523.07
Step by Step Solution
- Step 1: Write the proportion equation
1,661,426.11 : 2,292,770.09 = 897,479.68 : x - Step 2: Convert to fraction form
1,661,426.11/2,292,770.09 = 897,479.68/x - Step 3: Cross multiply
1,661,426.11x = 2,292,770.09 × 897,479.68 - Step 4: Simplify right side
1,661,426.11x = 2,057,714,566,686.77 - Step 5: Solve for x
x = 2,057,714,566,686.77/1,661,426.11 - Step 6: Final answer
x = 1,238,523.07
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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.