Finding the Fourth Proportional to 3,349,275.99, 4,621,957.52 and 1,821,350.31
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Solution
The fourth proportional to 3,349,275.99, 4,621,957.52 and 1,821,350.31 is: 2,513,439.85
Step by Step Solution
- Step 1: Write the proportion equation
3,349,275.99 : 4,621,957.52 = 1,821,350.31 : x - Step 2: Convert to fraction form
3,349,275.99/4,621,957.52 = 1,821,350.31/x - Step 3: Cross multiply
3,349,275.99x = 4,621,957.52 × 1,821,350.31 - Step 4: Simplify right side
3,349,275.99x = 8,418,203,752,752.08 - Step 5: Solve for x
x = 8,418,203,752,752.08/3,349,275.99 - Step 6: Final answer
x = 2,513,439.85
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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.