Finding the Fourth Proportional to 2,787,187.64, 3,845,528.19 and 1,625,684.58
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Solution
The fourth proportional to 2,787,187.64, 3,845,528.19 and 1,625,684.58 is: 2,242,983.50
Step by Step Solution
- Step 1: Write the proportion equation
2,787,187.64 : 3,845,528.19 = 1,625,684.58 : x - Step 2: Convert to fraction form
2,787,187.64/3,845,528.19 = 1,625,684.58/x - Step 3: Cross multiply
2,787,187.64x = 3,845,528.19 × 1,625,684.58 - Step 4: Simplify right side
2,787,187.64x = 6,251,615,887,296.75 - Step 5: Solve for x
x = 6,251,615,887,296.75/2,787,187.64 - Step 6: Final answer
x = 2,242,983.50
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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.