Finding the Fourth Proportional to 3,160,385.24, 4,361,317.63 and 1,710,106.36
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Solution
The fourth proportional to 3,160,385.24, 4,361,317.63 and 1,710,106.36 is: 2,359,939.20
Step by Step Solution
- Step 1: Write the proportion equation
3,160,385.24 : 4,361,317.63 = 1,710,106.36 : x - Step 2: Convert to fraction form
3,160,385.24/4,361,317.63 = 1,710,106.36/x - Step 3: Cross multiply
3,160,385.24x = 4,361,317.63 × 1,710,106.36 - Step 4: Simplify right side
3,160,385.24x = 7,458,317,001,864.57 - Step 5: Solve for x
x = 7,458,317,001,864.57/3,160,385.24 - Step 6: Final answer
x = 2,359,939.20
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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.