Finding the Fourth Proportional to 4,148,988.19, 6,219,932.52 and 1,592,038.07
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Solution
The fourth proportional to 4,148,988.19, 6,219,932.52 and 1,592,038.07 is: 2,386,694.99
Step by Step Solution
- Step 1: Write the proportion equation
4,148,988.19 : 6,219,932.52 = 1,592,038.07 : x - Step 2: Convert to fraction form
4,148,988.19/6,219,932.52 = 1,592,038.07/x - Step 3: Cross multiply
4,148,988.19x = 6,219,932.52 × 1,592,038.07 - Step 4: Simplify right side
4,148,988.19x = 9,902,369,333,571.37 - Step 5: Solve for x
x = 9,902,369,333,571.37/4,148,988.19 - Step 6: Final answer
x = 2,386,694.99
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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.