Finding the Fourth Proportional to 5,246,699.01, 7,240,347.42 and 2,859,790.05
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Solution
The fourth proportional to 5,246,699.01, 7,240,347.42 and 2,859,790.05 is: 3,946,457.28
Step by Step Solution
- Step 1: Write the proportion equation
5,246,699.01 : 7,240,347.42 = 2,859,790.05 : x - Step 2: Convert to fraction form
5,246,699.01/7,240,347.42 = 2,859,790.05/x - Step 3: Cross multiply
5,246,699.01x = 7,240,347.42 × 2,859,790.05 - Step 4: Simplify right side
5,246,699.01x = 20,705,873,510,259.17 - Step 5: Solve for x
x = 20,705,873,510,259.17/5,246,699.01 - Step 6: Final answer
x = 3,946,457.28
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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.