Finding the Fourth Proportional to 3,361,618.36, 4,639,420.50 and 1,871,620.12
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Solution
The fourth proportional to 3,361,618.36, 4,639,420.50 and 1,871,620.12 is: 2,583,051.32
Step by Step Solution
- Step 1: Write the proportion equation
3,361,618.36 : 4,639,420.50 = 1,871,620.12 : x - Step 2: Convert to fraction form
3,361,618.36/4,639,420.50 = 1,871,620.12/x - Step 3: Cross multiply
3,361,618.36x = 4,639,420.50 × 1,871,620.12 - Step 4: Simplify right side
3,361,618.36x = 8,683,232,752,940.46 - Step 5: Solve for x
x = 8,683,232,752,940.46/3,361,618.36 - Step 6: Final answer
x = 2,583,051.32
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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.