Finding the Fourth Proportional to 5,133,803.99, 7,084,733.06 and 2,810,657.30
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Solution
The fourth proportional to 5,133,803.99, 7,084,733.06 and 2,810,657.30 is: 3,878,752.82
Step by Step Solution
- Step 1: Write the proportion equation
5,133,803.99 : 7,084,733.06 = 2,810,657.30 : x - Step 2: Convert to fraction form
5,133,803.99/7,084,733.06 = 2,810,657.30/x - Step 3: Cross multiply
5,133,803.99x = 7,084,733.06 × 2,810,657.30 - Step 4: Simplify right side
5,133,803.99x = 19,912,756,693,640.34 - Step 5: Solve for x
x = 19,912,756,693,640.34/5,133,803.99 - Step 6: Final answer
x = 3,878,752.82
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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.