Finding the Fourth Proportional to 2,260,528.49, 3,119,532.04 and 1,228,036.97
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Solution
The fourth proportional to 2,260,528.49, 3,119,532.04 and 1,228,036.97 is: 1,694,692.49
Step by Step Solution
- Step 1: Write the proportion equation
2,260,528.49 : 3,119,532.04 = 1,228,036.97 : x - Step 2: Convert to fraction form
2,260,528.49/3,119,532.04 = 1,228,036.97/x - Step 3: Cross multiply
2,260,528.49x = 3,119,532.04 × 1,228,036.97 - Step 4: Simplify right side
2,260,528.49x = 3,830,900,655,551.77 - Step 5: Solve for x
x = 3,830,900,655,551.77/2,260,528.49 - Step 6: Final answer
x = 1,694,692.49
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1.5x scale
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.