Finding the Fourth Proportional to 1,677,178.84, 2,516,161.74 and 479,118.28
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Solution
The fourth proportional to 1,677,178.84, 2,516,161.74 and 479,118.28 is: 718,789.83
Step by Step Solution
- Step 1: Write the proportion equation
1,677,178.84 : 2,516,161.74 = 479,118.28 : x - Step 2: Convert to fraction form
1,677,178.84/2,516,161.74 = 479,118.28/x - Step 3: Cross multiply
1,677,178.84x = 2,516,161.74 × 479,118.28 - Step 4: Simplify right side
1,677,178.84x = 1,205,539,085,070.61 - Step 5: Solve for x
x = 1,205,539,085,070.61/1,677,178.84 - Step 6: Final answer
x = 718,789.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.