Finding the Fourth Proportional to 1,967,668.72, 2,944,836.73 and 1,209,990.09
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Solution
The fourth proportional to 1,967,668.72, 2,944,836.73 and 1,209,990.09 is: 1,810,885.76
Step by Step Solution
- Step 1: Write the proportion equation
1,967,668.72 : 2,944,836.73 = 1,209,990.09 : x - Step 2: Convert to fraction form
1,967,668.72/2,944,836.73 = 1,209,990.09/x - Step 3: Cross multiply
1,967,668.72x = 2,944,836.73 × 1,209,990.09 - Step 4: Simplify right side
1,967,668.72x = 3,563,223,259,968.01 - Step 5: Solve for x
x = 3,563,223,259,968.01/1,967,668.72 - Step 6: Final answer
x = 1,810,885.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.