Finding the Fourth Proportional to 3,102,389.76, 4,654,332.18 and 972,473.87
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Solution
The fourth proportional to 3,102,389.76, 4,654,332.18 and 972,473.87 is: 1,458,945.12
Step by Step Solution
- Step 1: Write the proportion equation
3,102,389.76 : 4,654,332.18 = 972,473.87 : x - Step 2: Convert to fraction form
3,102,389.76/4,654,332.18 = 972,473.87/x - Step 3: Cross multiply
3,102,389.76x = 4,654,332.18 × 972,473.87 - Step 4: Simplify right side
3,102,389.76x = 4,526,216,404,078.48 - Step 5: Solve for x
x = 4,526,216,404,078.48/3,102,389.76 - Step 6: Final answer
x = 1,458,945.12
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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.