Finding the Fourth Proportional to 7,291,814.10, 10,062,809.01 and 4,028,703.90
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Solution
The fourth proportional to 7,291,814.10, 10,062,809.01 and 4,028,703.90 is: 5,559,669.70
Step by Step Solution
- Step 1: Write the proportion equation
7,291,814.10 : 10,062,809.01 = 4,028,703.90 : x - Step 2: Convert to fraction form
7,291,814.10/10,062,809.01 = 4,028,703.90/x - Step 3: Cross multiply
7,291,814.10x = 10,062,809.01 × 4,028,703.90 - Step 4: Simplify right side
7,291,814.10x = 40,540,077,903,542.14 - Step 5: Solve for x
x = 40,540,077,903,542.14/7,291,814.10 - Step 6: Final answer
x = 5,559,669.70
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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.