Finding the Fourth Proportional to 6,430,619.61, 8,874,220.01 and 3,530,059.83
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Solution
The fourth proportional to 6,430,619.61, 8,874,220.01 and 3,530,059.83 is: 4,871,463.32
Step by Step Solution
- Step 1: Write the proportion equation
6,430,619.61 : 8,874,220.01 = 3,530,059.83 : x - Step 2: Convert to fraction form
6,430,619.61/8,874,220.01 = 3,530,059.83/x - Step 3: Cross multiply
6,430,619.61x = 8,874,220.01 × 3,530,059.83 - Step 4: Simplify right side
6,430,619.61x = 31,326,527,562,232.90 - Step 5: Solve for x
x = 31,326,527,562,232.90/6,430,619.61 - Step 6: Final answer
x = 4,871,463.32
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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.