Finding the Fourth Proportional to 5,471,394.67, 8,207,259.21 and 1,877,111.20
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Solution
The fourth proportional to 5,471,394.67, 8,207,259.21 and 1,877,111.20 is: 2,815,724.16
Step by Step Solution
- Step 1: Write the proportion equation
5,471,394.67 : 8,207,259.21 = 1,877,111.20 : x - Step 2: Convert to fraction form
5,471,394.67/8,207,259.21 = 1,877,111.20/x - Step 3: Cross multiply
5,471,394.67x = 8,207,259.21 × 1,877,111.20 - Step 4: Simplify right side
5,471,394.67x = 15,405,938,184,394.15 - Step 5: Solve for x
x = 15,405,938,184,394.15/5,471,394.67 - Step 6: Final answer
x = 2,815,724.16
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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.