Finding the Fourth Proportional to 3,156,204.68, 4,355,647.99 and 1,932,486.92
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Solution
The fourth proportional to 3,156,204.68, 4,355,647.99 and 1,932,486.92 is: 2,666,884.31
Step by Step Solution
- Step 1: Write the proportion equation
3,156,204.68 : 4,355,647.99 = 1,932,486.92 : x - Step 2: Convert to fraction form
3,156,204.68/4,355,647.99 = 1,932,486.92/x - Step 3: Cross multiply
3,156,204.68x = 4,355,647.99 × 1,932,486.92 - Step 4: Simplify right side
3,156,204.68x = 8,417,232,742,189.83 - Step 5: Solve for x
x = 8,417,232,742,189.83/3,156,204.68 - Step 6: Final answer
x = 2,666,884.31
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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.