Finding the Fourth Proportional to 5,683,723.74, 7,843,447.08 and 3,105,349.11
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Solution
The fourth proportional to 5,683,723.74, 7,843,447.08 and 3,105,349.11 is: 4,285,331.68
Step by Step Solution
- Step 1: Write the proportion equation
5,683,723.74 : 7,843,447.08 = 3,105,349.11 : x - Step 2: Convert to fraction form
5,683,723.74/7,843,447.08 = 3,105,349.11/x - Step 3: Cross multiply
5,683,723.74x = 7,843,447.08 × 3,105,349.11 - Step 4: Simplify right side
5,683,723.74x = 24,356,641,409,210.10 - Step 5: Solve for x
x = 24,356,641,409,210.10/5,683,723.74 - Step 6: Final answer
x = 4,285,331.68
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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.