Finding the Fourth Proportional to 3,554,572.29, 4,905,287.55 and 1,922,973.09
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Solution
The fourth proportional to 3,554,572.29, 4,905,287.55 and 1,922,973.09 is: 2,653,690.85
Step by Step Solution
- Step 1: Write the proportion equation
3,554,572.29 : 4,905,287.55 = 1,922,973.09 : x - Step 2: Convert to fraction form
3,554,572.29/4,905,287.55 = 1,922,973.09/x - Step 3: Cross multiply
3,554,572.29x = 4,905,287.55 × 1,922,973.09 - Step 4: Simplify right side
3,554,572.29x = 9,432,735,957,362.03 - Step 5: Solve for x
x = 9,432,735,957,362.03/3,554,572.29 - Step 6: Final answer
x = 2,653,690.85
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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.