Finding the Fourth Proportional to 4,128,862.25, 5,698,276.62 and 2,498,168.63
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Solution
The fourth proportional to 4,128,862.25, 5,698,276.62 and 2,498,168.63 is: 3,447,742.99
Step by Step Solution
- Step 1: Write the proportion equation
4,128,862.25 : 5,698,276.62 = 2,498,168.63 : x - Step 2: Convert to fraction form
4,128,862.25/5,698,276.62 = 2,498,168.63/x - Step 3: Cross multiply
4,128,862.25x = 5,698,276.62 × 2,498,168.63 - Step 4: Simplify right side
4,128,862.25x = 14,235,255,897,146.43 - Step 5: Solve for x
x = 14,235,255,897,146.43/4,128,862.25 - Step 6: Final answer
x = 3,447,742.99
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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.