Finding the Fourth Proportional to 2,068,102.84, 2,853,981.84 and 1,209,384.58
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Solution
The fourth proportional to 2,068,102.84, 2,853,981.84 and 1,209,384.58 is: 1,668,950.67
Step by Step Solution
- Step 1: Write the proportion equation
2,068,102.84 : 2,853,981.84 = 1,209,384.58 : x - Step 2: Convert to fraction form
2,068,102.84/2,853,981.84 = 1,209,384.58/x - Step 3: Cross multiply
2,068,102.84x = 2,853,981.84 × 1,209,384.58 - Step 4: Simplify right side
2,068,102.84x = 3,451,561,628,896.03 - Step 5: Solve for x
x = 3,451,561,628,896.03/2,068,102.84 - Step 6: Final answer
x = 1,668,950.67
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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.