Finding the Fourth Proportional to 5,725,318.41, 8,587,972.14 and 1,465,479.81
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Solution
The fourth proportional to 5,725,318.41, 8,587,972.14 and 1,465,479.81 is: 2,198,218.31
Step by Step Solution
- Step 1: Write the proportion equation
5,725,318.41 : 8,587,972.14 = 1,465,479.81 : x - Step 2: Convert to fraction form
5,725,318.41/8,587,972.14 = 1,465,479.81/x - Step 3: Cross multiply
5,725,318.41x = 8,587,972.14 × 1,465,479.81 - Step 4: Simplify right side
5,725,318.41x = 12,585,499,737,072.63 - Step 5: Solve for x
x = 12,585,499,737,072.63/5,725,318.41 - Step 6: Final answer
x = 2,198,218.31
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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.