Finding the Fourth Proportional to 3,055,194.99, 4,216,171.50 and 1,678,627.53
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Solution
The fourth proportional to 3,055,194.99, 4,216,171.50 and 1,678,627.53 is: 2,316,507.32
Step by Step Solution
- Step 1: Write the proportion equation
3,055,194.99 : 4,216,171.50 = 1,678,627.53 : x - Step 2: Convert to fraction form
3,055,194.99/4,216,171.50 = 1,678,627.53/x - Step 3: Cross multiply
3,055,194.99x = 4,216,171.50 × 1,678,627.53 - Step 4: Simplify right side
3,055,194.99x = 7,077,381,551,101.40 - Step 5: Solve for x
x = 7,077,381,551,101.40/3,055,194.99 - Step 6: Final answer
x = 2,316,507.32
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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.