Finding the Fourth Proportional to 3,470,950.44, 4,789,875.06 and 1,943,070.12
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Solution
The fourth proportional to 3,470,950.44, 4,789,875.06 and 1,943,070.12 is: 2,681,416.31
Step by Step Solution
- Step 1: Write the proportion equation
3,470,950.44 : 4,789,875.06 = 1,943,070.12 : x - Step 2: Convert to fraction form
3,470,950.44/4,789,875.06 = 1,943,070.12/x - Step 3: Cross multiply
3,470,950.44x = 4,789,875.06 × 1,943,070.12 - Step 4: Simplify right side
3,470,950.44x = 9,307,063,107,619.21 - Step 5: Solve for x
x = 9,307,063,107,619.21/3,470,950.44 - Step 6: Final answer
x = 2,681,416.31
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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.