Finding the Fourth Proportional to 1,926,380.41, 2,658,398.20 and 1,110,580.14
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Solution
The fourth proportional to 1,926,380.41, 2,658,398.20 and 1,110,580.14 is: 1,532,596.69
Step by Step Solution
- Step 1: Write the proportion equation
1,926,380.41 : 2,658,398.20 = 1,110,580.14 : x - Step 2: Convert to fraction form
1,926,380.41/2,658,398.20 = 1,110,580.14/x - Step 3: Cross multiply
1,926,380.41x = 2,658,398.20 × 1,110,580.14 - Step 4: Simplify right side
1,926,380.41x = 2,952,364,245,131.75 - Step 5: Solve for x
x = 2,952,364,245,131.75/1,926,380.41 - Step 6: Final answer
x = 1,532,596.69
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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.