Finding the Fourth Proportional to 2,972,983.05, 4,458,514.95 and 842,495.13
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Solution
The fourth proportional to 2,972,983.05, 4,458,514.95 and 842,495.13 is: 1,263,470.75
Step by Step Solution
- Step 1: Write the proportion equation
2,972,983.05 : 4,458,514.95 = 842,495.13 : x - Step 2: Convert to fraction form
2,972,983.05/4,458,514.95 = 842,495.13/x - Step 3: Cross multiply
2,972,983.05x = 4,458,514.95 × 842,495.13 - Step 4: Simplify right side
2,972,983.05x = 3,756,277,132,407.19 - Step 5: Solve for x
x = 3,756,277,132,407.19/2,972,983.05 - Step 6: Final answer
x = 1,263,470.75
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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.