Finding the Fourth Proportional to 4,128,446.42, 5,697,269.28 and 2,292,904.37
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Solution
The fourth proportional to 4,128,446.42, 5,697,269.28 and 2,292,904.37 is: 3,164,215.37
Step by Step Solution
- Step 1: Write the proportion equation
4,128,446.42 : 5,697,269.28 = 2,292,904.37 : x - Step 2: Convert to fraction form
4,128,446.42/5,697,269.28 = 2,292,904.37/x - Step 3: Cross multiply
4,128,446.42x = 5,697,269.28 × 2,292,904.37 - Step 4: Simplify right side
4,128,446.42x = 13,063,293,629,178.75 - Step 5: Solve for x
x = 13,063,293,629,178.75/4,128,446.42 - Step 6: Final answer
x = 3,164,215.37
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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.