Finding the Fourth Proportional to 4,754,122.79, 6,560,641.22 and 2,578,619.21
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Solution
The fourth proportional to 4,754,122.79, 6,560,641.22 and 2,578,619.21 is: 3,558,468.34
Step by Step Solution
- Step 1: Write the proportion equation
4,754,122.79 : 6,560,641.22 = 2,578,619.21 : x - Step 2: Convert to fraction form
4,754,122.79/6,560,641.22 = 2,578,619.21/x - Step 3: Cross multiply
4,754,122.79x = 6,560,641.22 × 2,578,619.21 - Step 4: Simplify right side
4,754,122.79x = 16,917,395,434,113.53 - Step 5: Solve for x
x = 16,917,395,434,113.53/4,754,122.79 - Step 6: Final answer
x = 3,558,468.34
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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.