Finding the Fourth Proportional to 5,578,886.10, 8,365,077.40 and 2,163,182.12
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Solution
The fourth proportional to 5,578,886.10, 8,365,077.40 and 2,163,182.12 is: 3,243,512.33
Step by Step Solution
- Step 1: Write the proportion equation
5,578,886.10 : 8,365,077.40 = 2,163,182.12 : x - Step 2: Convert to fraction form
5,578,886.10/8,365,077.40 = 2,163,182.12/x - Step 3: Cross multiply
5,578,886.10x = 8,365,077.40 × 2,163,182.12 - Step 4: Simplify right side
5,578,886.10x = 18,095,185,864,096.09 - Step 5: Solve for x
x = 18,095,185,864,096.09/5,578,886.10 - Step 6: Final answer
x = 3,243,512.33
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1.5x scale
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.