Finding the Fourth Proportional to 3,851,746.52, 5,315,344.84 and 2,132,830.13
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Solution
The fourth proportional to 3,851,746.52, 5,315,344.84 and 2,132,830.13 is: 2,943,269.38
Step by Step Solution
- Step 1: Write the proportion equation
3,851,746.52 : 5,315,344.84 = 2,132,830.13 : x - Step 2: Convert to fraction form
3,851,746.52/5,315,344.84 = 2,132,830.13/x - Step 3: Cross multiply
3,851,746.52x = 5,315,344.84 × 2,132,830.13 - Step 4: Simplify right side
3,851,746.52x = 11,336,727,594,183.23 - Step 5: Solve for x
x = 11,336,727,594,183.23/3,851,746.52 - Step 6: Final answer
x = 2,943,269.38
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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.