Finding the Fourth Proportional to 3,558,756.87, 4,911,087.11 and 1,927,166.02
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Solution
The fourth proportional to 3,558,756.87, 4,911,087.11 and 1,927,166.02 is: 2,659,490.53
Step by Step Solution
- Step 1: Write the proportion equation
3,558,756.87 : 4,911,087.11 = 1,927,166.02 : x - Step 2: Convert to fraction form
3,558,756.87/4,911,087.11 = 1,927,166.02/x - Step 3: Cross multiply
3,558,756.87x = 4,911,087.11 × 1,927,166.02 - Step 4: Simplify right side
3,558,756.87x = 9,464,480,205,363.32 - Step 5: Solve for x
x = 9,464,480,205,363.32/3,558,756.87 - Step 6: Final answer
x = 2,659,490.53
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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.