Finding the Fourth Proportional to 7,610,744.72, 11,418,022.19 and 2,219,395.74
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Solution
The fourth proportional to 7,610,744.72, 11,418,022.19 and 2,219,395.74 is: 3,329,649.17
Step by Step Solution
- Step 1: Write the proportion equation
7,610,744.72 : 11,418,022.19 = 2,219,395.74 : x - Step 2: Convert to fraction form
7,610,744.72/11,418,022.19 = 2,219,395.74/x - Step 3: Cross multiply
7,610,744.72x = 11,418,022.19 × 2,219,395.74 - Step 4: Simplify right side
7,610,744.72x = 25,341,109,807,711.47 - Step 5: Solve for x
x = 25,341,109,807,711.47/7,610,744.72 - Step 6: Final answer
x = 3,329,649.17
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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.