Finding the Fourth Proportional to 1,685,248.15, 2,325,670.10 and 1,006,243.99
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Solution
The fourth proportional to 1,685,248.15, 2,325,670.10 and 1,006,243.99 is: 1,388,633.22
Step by Step Solution
- Step 1: Write the proportion equation
1,685,248.15 : 2,325,670.10 = 1,006,243.99 : x - Step 2: Convert to fraction form
1,685,248.15/2,325,670.10 = 1,006,243.99/x - Step 3: Cross multiply
1,685,248.15x = 2,325,670.10 × 1,006,243.99 - Step 4: Simplify right side
1,685,248.15x = 2,340,191,560,847.70 - Step 5: Solve for x
x = 2,340,191,560,847.70/1,685,248.15 - Step 6: Final answer
x = 1,388,633.22
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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.