Finding the Fourth Proportional to 5,481,816.15, 7,564,814.48 and 3,034,374.53
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Solution
The fourth proportional to 5,481,816.15, 7,564,814.48 and 3,034,374.53 is: 4,187,386.02
Step by Step Solution
- Step 1: Write the proportion equation
5,481,816.15 : 7,564,814.48 = 3,034,374.53 : x - Step 2: Convert to fraction form
5,481,816.15/7,564,814.48 = 3,034,374.53/x - Step 3: Cross multiply
5,481,816.15x = 7,564,814.48 × 3,034,374.53 - Step 4: Simplify right side
5,481,816.15x = 22,954,480,340,670.15 - Step 5: Solve for x
x = 22,954,480,340,670.15/5,481,816.15 - Step 6: Final answer
x = 4,187,386.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.