Finding the Fourth Proportional to 3,638,409.08, 5,456,432.67 and 1,208,909.87
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Solution
The fourth proportional to 3,638,409.08, 5,456,432.67 and 1,208,909.87 is: 1,812,972.42
Step by Step Solution
- Step 1: Write the proportion equation
3,638,409.08 : 5,456,432.67 = 1,208,909.87 : x - Step 2: Convert to fraction form
3,638,409.08/5,456,432.67 = 1,208,909.87/x - Step 3: Cross multiply
3,638,409.08x = 5,456,432.67 × 1,208,909.87 - Step 4: Simplify right side
3,638,409.08x = 6,596,335,309,753.45 - Step 5: Solve for x
x = 6,596,335,309,753.45/3,638,409.08 - Step 6: Final answer
x = 1,812,972.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.