Finding the Fourth Proportional to 1,984,623.64, 2,738,777.58 and 1,210,253.14
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Solution
The fourth proportional to 1,984,623.64, 2,738,777.58 and 1,210,253.14 is: 1,670,147.48
Step by Step Solution
- Step 1: Write the proportion equation
1,984,623.64 : 2,738,777.58 = 1,210,253.14 : x - Step 2: Convert to fraction form
1,984,623.64/2,738,777.58 = 1,210,253.14/x - Step 3: Cross multiply
1,984,623.64x = 2,738,777.58 × 1,210,253.14 - Step 4: Simplify right side
1,984,623.64x = 3,314,614,165,956.60 - Step 5: Solve for x
x = 3,314,614,165,956.60/1,984,623.64 - Step 6: Final answer
x = 1,670,147.48
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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.