Finding the Fourth Proportional to 2,166,365.85, 2,989,753.19 and 1,199,586.09
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Solution
The fourth proportional to 2,166,365.85, 2,989,753.19 and 1,199,586.09 is: 1,655,522.01
Step by Step Solution
- Step 1: Write the proportion equation
2,166,365.85 : 2,989,753.19 = 1,199,586.09 : x - Step 2: Convert to fraction form
2,166,365.85/2,989,753.19 = 1,199,586.09/x - Step 3: Cross multiply
2,166,365.85x = 2,989,753.19 × 1,199,586.09 - Step 4: Simplify right side
2,166,365.85x = 3,586,466,339,257.13 - Step 5: Solve for x
x = 3,586,466,339,257.13/2,166,365.85 - Step 6: Final answer
x = 1,655,522.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.