Finding the Fourth Proportional to 5,085,580.15, 7,018,227.21 and 2,762,471.98
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Solution
The fourth proportional to 5,085,580.15, 7,018,227.21 and 2,762,471.98 is: 3,812,280.10
Step by Step Solution
- Step 1: Write the proportion equation
5,085,580.15 : 7,018,227.21 = 2,762,471.98 : x - Step 2: Convert to fraction form
5,085,580.15/7,018,227.21 = 2,762,471.98/x - Step 3: Cross multiply
5,085,580.15x = 7,018,227.21 × 2,762,471.98 - Step 4: Simplify right side
5,085,580.15x = 19,387,656,016,898.57 - Step 5: Solve for x
x = 19,387,656,016,898.57/5,085,580.15 - Step 6: Final answer
x = 3,812,280.10
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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.