Finding the Fourth Proportional to 5,427,351.12, 8,141,199.48 and 2,730,202.32
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Solution
The fourth proportional to 5,427,351.12, 8,141,199.48 and 2,730,202.32 is: 4,095,390.41
Step by Step Solution
- Step 1: Write the proportion equation
5,427,351.12 : 8,141,199.48 = 2,730,202.32 : x - Step 2: Convert to fraction form
5,427,351.12/8,141,199.48 = 2,730,202.32/x - Step 3: Cross multiply
5,427,351.12x = 8,141,199.48 × 2,730,202.32 - Step 4: Simplify right side
5,427,351.12x = 22,227,121,707,878.79 - Step 5: Solve for x
x = 22,227,121,707,878.79/5,427,351.12 - Step 6: Final answer
x = 4,095,390.41
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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.