Finding the Fourth Proportional to 3,485,490.30, 5,223,781.98 and 2,811,889.26
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Solution
The fourth proportional to 3,485,490.30, 5,223,781.98 and 2,811,889.26 is: 4,214,241.09
Step by Step Solution
- Step 1: Write the proportion equation
3,485,490.30 : 5,223,781.98 = 2,811,889.26 : x - Step 2: Convert to fraction form
3,485,490.30/5,223,781.98 = 2,811,889.26/x - Step 3: Cross multiply
3,485,490.30x = 5,223,781.98 × 2,811,889.26 - Step 4: Simplify right side
3,485,490.30x = 14,688,696,446,143.54 - Step 5: Solve for x
x = 14,688,696,446,143.54/3,485,490.30 - Step 6: Final answer
x = 4,214,241.09
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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.