Finding the Fourth Proportional to 5,282,919.45, 7,921,140.71 and 2,248,557.41
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Solution
The fourth proportional to 5,282,919.45, 7,921,140.71 and 2,248,557.41 is: 3,371,457.74
Step by Step Solution
- Step 1: Write the proportion equation
5,282,919.45 : 7,921,140.71 = 2,248,557.41 : x - Step 2: Convert to fraction form
5,282,919.45/7,921,140.71 = 2,248,557.41/x - Step 3: Cross multiply
5,282,919.45x = 7,921,140.71 × 2,248,557.41 - Step 4: Simplify right side
5,282,919.45x = 17,811,139,647,683.23 - Step 5: Solve for x
x = 17,811,139,647,683.23/5,282,919.45 - Step 6: Final answer
x = 3,371,457.74
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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.