Finding the Fourth Proportional to 4,196,639.80, 6,294,959.70 and 1,163,999.80
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Solution
The fourth proportional to 4,196,639.80, 6,294,959.70 and 1,163,999.80 is: 1,745,999.70
Step by Step Solution
- Step 1: Write the proportion equation
4,196,639.80 : 6,294,959.70 = 1,163,999.80 : x - Step 2: Convert to fraction form
4,196,639.80/6,294,959.70 = 1,163,999.80/x - Step 3: Cross multiply
4,196,639.80x = 6,294,959.70 × 1,163,999.80 - Step 4: Simplify right side
4,196,639.80x = 7,327,331,831,808.06 - Step 5: Solve for x
x = 7,327,331,831,808.06/4,196,639.80 - Step 6: Final answer
x = 1,745,999.70
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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.