Finding the Fourth Proportional to 3,219,528.18, 4,441,979.99 and 1,929,898.02
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Solution
The fourth proportional to 3,219,528.18, 4,441,979.99 and 1,929,898.02 is: 2,662,678.48
Step by Step Solution
- Step 1: Write the proportion equation
3,219,528.18 : 4,441,979.99 = 1,929,898.02 : x - Step 2: Convert to fraction form
3,219,528.18/4,441,979.99 = 1,929,898.02/x - Step 3: Cross multiply
3,219,528.18x = 4,441,979.99 × 1,929,898.02 - Step 4: Simplify right side
3,219,528.18x = 8,572,568,387,580.62 - Step 5: Solve for x
x = 8,572,568,387,580.62/3,219,528.18 - Step 6: Final answer
x = 2,662,678.48
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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.