Finding the Fourth Proportional to 5,516,711.15, 7,612,869.70 and 3,035,699.98
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Solution
The fourth proportional to 5,516,711.15, 7,612,869.70 and 3,035,699.98 is: 4,189,160.49
Step by Step Solution
- Step 1: Write the proportion equation
5,516,711.15 : 7,612,869.70 = 3,035,699.98 : x - Step 2: Convert to fraction form
5,516,711.15/7,612,869.70 = 3,035,699.98/x - Step 3: Cross multiply
5,516,711.15x = 7,612,869.70 × 3,035,699.98 - Step 4: Simplify right side
5,516,711.15x = 23,110,388,363,719.24 - Step 5: Solve for x
x = 23,110,388,363,719.24/5,516,711.15 - Step 6: Final answer
x = 4,189,160.49
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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.