Finding the Fourth Proportional to 2,763,926.75, 3,812,188.65 and 1,831,949.12
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Solution
The fourth proportional to 2,763,926.75, 3,812,188.65 and 1,831,949.12 is: 2,526,744.11
Step by Step Solution
- Step 1: Write the proportion equation
2,763,926.75 : 3,812,188.65 = 1,831,949.12 : x - Step 2: Convert to fraction form
2,763,926.75/3,812,188.65 = 1,831,949.12/x - Step 3: Cross multiply
2,763,926.75x = 3,812,188.65 × 1,831,949.12 - Step 4: Simplify right side
2,763,926.75x = 6,983,735,642,641.49 - Step 5: Solve for x
x = 6,983,735,642,641.49/2,763,926.75 - Step 6: Final answer
x = 2,526,744.11
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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.