Finding the Fourth Proportional to 4,991,436.69, 7,487,982.43 and 1,752,134.14
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Solution
The fourth proportional to 4,991,436.69, 7,487,982.43 and 1,752,134.14 is: 2,628,491.65
Step by Step Solution
- Step 1: Write the proportion equation
4,991,436.69 : 7,487,982.43 = 1,752,134.14 : x - Step 2: Convert to fraction form
4,991,436.69/7,487,982.43 = 1,752,134.14/x - Step 3: Cross multiply
4,991,436.69x = 7,487,982.43 × 1,752,134.14 - Step 4: Simplify right side
4,991,436.69x = 13,119,949,655,323.16 - Step 5: Solve for x
x = 13,119,949,655,323.16/4,991,436.69 - Step 6: Final answer
x = 2,628,491.65
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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.