Finding the Fourth Proportional to 2,516,045.09, 3,472,051.01 and 1,537,621.02
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Solution
The fourth proportional to 2,516,045.09, 3,472,051.01 and 1,537,621.02 is: 2,121,861.27
Step by Step Solution
- Step 1: Write the proportion equation
2,516,045.09 : 3,472,051.01 = 1,537,621.02 : x - Step 2: Convert to fraction form
2,516,045.09/3,472,051.01 = 1,537,621.02/x - Step 3: Cross multiply
2,516,045.09x = 3,472,051.01 × 1,537,621.02 - Step 4: Simplify right side
2,516,045.09x = 5,338,698,607,800.13 - Step 5: Solve for x
x = 5,338,698,607,800.13/2,516,045.09 - Step 6: Final answer
x = 2,121,861.27
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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.