Finding the Fourth Proportional to 2,911,313.14, 4,367,488.21 and 992,117.97
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Solution
The fourth proportional to 2,911,313.14, 4,367,488.21 and 992,117.97 is: 1,488,353.65
Step by Step Solution
- Step 1: Write the proportion equation
2,911,313.14 : 4,367,488.21 = 992,117.97 : x - Step 2: Convert to fraction form
2,911,313.14/4,367,488.21 = 992,117.97/x - Step 3: Cross multiply
2,911,313.14x = 4,367,488.21 × 992,117.97 - Step 4: Simplify right side
2,911,313.14x = 4,333,063,534,423.84 - Step 5: Solve for x
x = 4,333,063,534,423.84/2,911,313.14 - Step 6: Final answer
x = 1,488,353.65
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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.