Finding the Fourth Proportional to 5,180,799.99, 7,766,495.51 and 1,813,169.91
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Solution
The fourth proportional to 5,180,799.99, 7,766,495.51 and 1,813,169.91 is: 2,718,108.40
Step by Step Solution
- Step 1: Write the proportion equation
5,180,799.99 : 7,766,495.51 = 1,813,169.91 : x - Step 2: Convert to fraction form
5,180,799.99/7,766,495.51 = 1,813,169.91/x - Step 3: Cross multiply
5,180,799.99x = 7,766,495.51 × 1,813,169.91 - Step 4: Simplify right side
5,180,799.99x = 14,081,975,955,816.25 - Step 5: Solve for x
x = 14,081,975,955,816.25/5,180,799.99 - Step 6: Final answer
x = 2,718,108.40
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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.