Finding the Fourth Proportional to 2,106,582.40, 2,910,059.77 and 1,676,312.02
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Solution
The fourth proportional to 2,106,582.40, 2,910,059.77 and 1,676,312.02 is: 2,315,678.78
Step by Step Solution
- Step 1: Write the proportion equation
2,106,582.40 : 2,910,059.77 = 1,676,312.02 : x - Step 2: Convert to fraction form
2,106,582.40/2,910,059.77 = 1,676,312.02/x - Step 3: Cross multiply
2,106,582.40x = 2,910,059.77 × 1,676,312.02 - Step 4: Simplify right side
2,106,582.40x = 4,878,168,171,369.44 - Step 5: Solve for x
x = 4,878,168,171,369.44/2,106,582.40 - Step 6: Final answer
x = 2,315,678.78
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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.