Finding the Fourth Proportional to 5,641,991.50, 8,462,968.80 and 2,047,753.66
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Solution
The fourth proportional to 5,641,991.50, 8,462,968.80 and 2,047,753.66 is: 3,071,623.79
Step by Step Solution
- Step 1: Write the proportion equation
5,641,991.50 : 8,462,968.80 = 2,047,753.66 : x - Step 2: Convert to fraction form
5,641,991.50/8,462,968.80 = 2,047,753.66/x - Step 3: Cross multiply
5,641,991.50x = 8,462,968.80 × 2,047,753.66 - Step 4: Simplify right side
5,641,991.50x = 17,330,075,334,665.81 - Step 5: Solve for x
x = 17,330,075,334,665.81/5,641,991.50 - Step 6: Final answer
x = 3,071,623.79
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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.