Finding the Fourth Proportional to 1,542,201.71, 2,128,304.85 and 853,873.55
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Solution
The fourth proportional to 1,542,201.71, 2,128,304.85 and 853,873.55 is: 1,178,382.31
Step by Step Solution
- Step 1: Write the proportion equation
1,542,201.71 : 2,128,304.85 = 853,873.55 : x - Step 2: Convert to fraction form
1,542,201.71/2,128,304.85 = 853,873.55/x - Step 3: Cross multiply
1,542,201.71x = 2,128,304.85 × 853,873.55 - Step 4: Simplify right side
1,542,201.71x = 1,817,303,207,110.19 - Step 5: Solve for x
x = 1,817,303,207,110.19/1,542,201.71 - Step 6: Final answer
x = 1,178,382.31
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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.