Finding the Fourth Proportional to 1,642,962.56, 2,267,277.42 and 917,803.84
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Solution
The fourth proportional to 1,642,962.56, 2,267,277.42 and 917,803.84 is: 1,266,563.20
Step by Step Solution
- Step 1: Write the proportion equation
1,642,962.56 : 2,267,277.42 = 917,803.84 : x - Step 2: Convert to fraction form
1,642,962.56/2,267,277.42 = 917,803.84/x - Step 3: Cross multiply
1,642,962.56x = 2,267,277.42 × 917,803.84 - Step 4: Simplify right side
1,642,962.56x = 2,080,915,922,421.29 - Step 5: Solve for x
x = 2,080,915,922,421.29/1,642,962.56 - Step 6: Final answer
x = 1,266,563.20
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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.