Finding the Fourth Proportional to 1,612,649.01, 2,420,468.19 and 814,491.07
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Solution
The fourth proportional to 1,612,649.01, 2,420,468.19 and 814,491.07 is: 1,222,491.51
Step by Step Solution
- Step 1: Write the proportion equation
1,612,649.01 : 2,420,468.19 = 814,491.07 : x - Step 2: Convert to fraction form
1,612,649.01/2,420,468.19 = 814,491.07/x - Step 3: Cross multiply
1,612,649.01x = 2,420,468.19 × 814,491.07 - Step 4: Simplify right side
1,612,649.01x = 1,971,449,725,974.06 - Step 5: Solve for x
x = 1,971,449,725,974.06/1,612,649.01 - Step 6: Final answer
x = 1,222,491.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.