Finding the Fourth Proportional to 2,989,323.55, 4,484,422.73 and 1,569,486.70
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Solution
The fourth proportional to 2,989,323.55, 4,484,422.73 and 1,569,486.70 is: 2,354,459.70
Step by Step Solution
- Step 1: Write the proportion equation
2,989,323.55 : 4,484,422.73 = 1,569,486.70 : x - Step 2: Convert to fraction form
2,989,323.55/4,484,422.73 = 1,569,486.70/x - Step 3: Cross multiply
2,989,323.55x = 4,484,422.73 × 1,569,486.70 - Step 4: Simplify right side
2,989,323.55x = 7,038,241,831,912.69 - Step 5: Solve for x
x = 7,038,241,831,912.69/2,989,323.55 - Step 6: Final answer
x = 2,354,459.70
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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.