Finding the Fourth Proportional to 4,078,336.48, 5,626,511.40 and 2,335,074.19
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Solution
The fourth proportional to 4,078,336.48, 5,626,511.40 and 2,335,074.19 is: 3,221,490.33
Step by Step Solution
- Step 1: Write the proportion equation
4,078,336.48 : 5,626,511.40 = 2,335,074.19 : x - Step 2: Convert to fraction form
4,078,336.48/5,626,511.40 = 2,335,074.19/x - Step 3: Cross multiply
4,078,336.48x = 5,626,511.40 × 2,335,074.19 - Step 4: Simplify right side
4,078,336.48x = 13,138,321,549,880.77 - Step 5: Solve for x
x = 13,138,321,549,880.77/4,078,336.48 - Step 6: Final answer
x = 3,221,490.33
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1.5x scale
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.