Finding the Fourth Proportional to 5,120,875.62, 7,682,457.36 and 1,926,029.48
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Solution
The fourth proportional to 5,120,875.62, 7,682,457.36 and 1,926,029.48 is: 2,889,474.47
Step by Step Solution
- Step 1: Write the proportion equation
5,120,875.62 : 7,682,457.36 = 1,926,029.48 : x - Step 2: Convert to fraction form
5,120,875.62/7,682,457.36 = 1,926,029.48/x - Step 3: Cross multiply
5,120,875.62x = 7,682,457.36 × 1,926,029.48 - Step 4: Simplify right side
5,120,875.62x = 14,796,639,354,202.97 - Step 5: Solve for x
x = 14,796,639,354,202.97/5,120,875.62 - Step 6: Final answer
x = 2,889,474.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.