Finding the Fourth Proportional to 4,896,629.20, 7,344,943.80 and 3,636,917.20
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Solution
The fourth proportional to 4,896,629.20, 7,344,943.80 and 3,636,917.20 is: 5,455,375.80
Step by Step Solution
- Step 1: Write the proportion equation
4,896,629.20 : 7,344,943.80 = 3,636,917.20 : x - Step 2: Convert to fraction form
4,896,629.20/7,344,943.80 = 3,636,917.20/x - Step 3: Cross multiply
4,896,629.20x = 7,344,943.80 × 3,636,917.20 - Step 4: Simplify right side
4,896,629.20x = 26,712,952,439,253.36 - Step 5: Solve for x
x = 26,712,952,439,253.36/4,896,629.20 - Step 6: Final answer
x = 5,455,375.80
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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.