Finding the Fourth Proportional to 3,349,587.12, 5,026,620.39 and 1,430,946.71
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Solution
The fourth proportional to 3,349,587.12, 5,026,620.39 and 1,430,946.71 is: 2,147,376.87
Step by Step Solution
- Step 1: Write the proportion equation
3,349,587.12 : 5,026,620.39 = 1,430,946.71 : x - Step 2: Convert to fraction form
3,349,587.12/5,026,620.39 = 1,430,946.71/x - Step 3: Cross multiply
3,349,587.12x = 5,026,620.39 × 1,430,946.71 - Step 4: Simplify right side
3,349,587.12x = 7,192,825,897,840.09 - Step 5: Solve for x
x = 7,192,825,897,840.09/3,349,587.12 - Step 6: Final answer
x = 2,147,376.87
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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.