Finding the Fourth Proportional to 4,475,853.99, 6,713,774.91 and 2,078,387.64
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Solution
The fourth proportional to 4,475,853.99, 6,713,774.91 and 2,078,387.64 is: 3,117,578.64
Step by Step Solution
- Step 1: Write the proportion equation
4,475,853.99 : 6,713,774.91 = 2,078,387.64 : x - Step 2: Convert to fraction form
4,475,853.99/6,713,774.91 = 2,078,387.64/x - Step 3: Cross multiply
4,475,853.99x = 6,713,774.91 × 2,078,387.64 - Step 4: Simplify right side
4,475,853.99x = 13,953,826,790,686.11 - Step 5: Solve for x
x = 13,953,826,790,686.11/4,475,853.99 - Step 6: Final answer
x = 3,117,578.64
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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.