Finding the Fourth Proportional to 3,769,878.06, 5,202,280.08 and 2,051,005.68
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Solution
The fourth proportional to 3,769,878.06, 5,202,280.08 and 2,051,005.68 is: 2,830,305.34
Step by Step Solution
- Step 1: Write the proportion equation
3,769,878.06 : 5,202,280.08 = 2,051,005.68 : x - Step 2: Convert to fraction form
3,769,878.06/5,202,280.08 = 2,051,005.68/x - Step 3: Cross multiply
3,769,878.06x = 5,202,280.08 × 2,051,005.68 - Step 4: Simplify right side
3,769,878.06x = 10,669,905,993,030.85 - Step 5: Solve for x
x = 10,669,905,993,030.85/3,769,878.06 - Step 6: Final answer
x = 2,830,305.34
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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.