Finding the Fourth Proportional to 5,235,572.34, 7,853,455.71 and 1,641,258.90
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Solution
The fourth proportional to 5,235,572.34, 7,853,455.71 and 1,641,258.90 is: 2,461,918.82
Step by Step Solution
- Step 1: Write the proportion equation
5,235,572.34 : 7,853,455.71 = 1,641,258.90 : x - Step 2: Convert to fraction form
5,235,572.34/7,853,455.71 = 1,641,258.90/x - Step 3: Cross multiply
5,235,572.34x = 7,853,455.71 × 1,641,258.90 - Step 4: Simplify right side
5,235,572.34x = 12,889,554,079,793.32 - Step 5: Solve for x
x = 12,889,554,079,793.32/5,235,572.34 - Step 6: Final answer
x = 2,461,918.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.