Finding the Fourth Proportional to 4,128,861.25, 5,698,275.24 and 2,498,167.63
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Solution
The fourth proportional to 4,128,861.25, 5,698,275.24 and 2,498,167.63 is: 3,447,741.61
Step by Step Solution
- Step 1: Write the proportion equation
4,128,861.25 : 5,698,275.24 = 2,498,167.63 : x - Step 2: Convert to fraction form
4,128,861.25/5,698,275.24 = 2,498,167.63/x - Step 3: Cross multiply
4,128,861.25x = 5,698,275.24 × 2,498,167.63 - Step 4: Simplify right side
4,128,861.25x = 14,235,246,751,398.48 - Step 5: Solve for x
x = 14,235,246,751,398.48/4,128,861.25 - Step 6: Final answer
x = 3,447,741.61
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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.