Finding the Fourth Proportional to 1,788,767.63, 2,468,274.80 and 1,209,251.36
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Solution
The fourth proportional to 1,788,767.63, 2,468,274.80 and 1,209,251.36 is: 1,668,615.09
Step by Step Solution
- Step 1: Write the proportion equation
1,788,767.63 : 2,468,274.80 = 1,209,251.36 : x - Step 2: Convert to fraction form
1,788,767.63/2,468,274.80 = 1,209,251.36/x - Step 3: Cross multiply
1,788,767.63x = 2,468,274.80 × 1,209,251.36 - Step 4: Simplify right side
1,788,767.63x = 2,984,764,669,081.22 - Step 5: Solve for x
x = 2,984,764,669,081.22/1,788,767.63 - Step 6: Final answer
x = 1,668,615.09
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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.