Finding the Fourth Proportional to 5,460,830.25, 8,191,216.20 and 1,417,315.11
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Solution
The fourth proportional to 5,460,830.25, 8,191,216.20 and 1,417,315.11 is: 2,125,965.09
Step by Step Solution
- Step 1: Write the proportion equation
5,460,830.25 : 8,191,216.20 = 1,417,315.11 : x - Step 2: Convert to fraction form
5,460,830.25/8,191,216.20 = 1,417,315.11/x - Step 3: Cross multiply
5,460,830.25x = 8,191,216.20 × 1,417,315.11 - Step 4: Simplify right side
5,460,830.25x = 11,609,534,489,536.78 - Step 5: Solve for x
x = 11,609,534,489,536.78/5,460,830.25 - Step 6: Final answer
x = 2,125,965.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.