Finding the Fourth Proportional to 5,698,382.40, 7,864,516.80 and 3,250,432.80
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Solution
The fourth proportional to 5,698,382.40, 7,864,516.80 and 3,250,432.80 is: 4,486,024.55
Step by Step Solution
- Step 1: Write the proportion equation
5,698,382.40 : 7,864,516.80 = 3,250,432.80 : x - Step 2: Convert to fraction form
5,698,382.40/7,864,516.80 = 3,250,432.80/x - Step 3: Cross multiply
5,698,382.40x = 7,864,516.80 × 3,250,432.80 - Step 4: Simplify right side
5,698,382.40x = 25,563,083,362,871.04 - Step 5: Solve for x
x = 25,563,083,362,871.04/5,698,382.40 - Step 6: Final answer
x = 4,486,024.55
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1.5x scale
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.