Finding the Fourth Proportional to 3,129,208.56, 4,317,950.70 and 1,752,360.84
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Solution
The fourth proportional to 3,129,208.56, 4,317,950.70 and 1,752,360.84 is: 2,418,057.98
Step by Step Solution
- Step 1: Write the proportion equation
3,129,208.56 : 4,317,950.70 = 1,752,360.84 : x - Step 2: Convert to fraction form
3,129,208.56/4,317,950.70 = 1,752,360.84/x - Step 3: Cross multiply
3,129,208.56x = 4,317,950.70 × 1,752,360.84 - Step 4: Simplify right side
3,129,208.56x = 7,566,607,715,730.59 - Step 5: Solve for x
x = 7,566,607,715,730.59/3,129,208.56 - Step 6: Final answer
x = 2,418,057.98
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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.