Finding the Fourth Proportional to 1,831,328.50, 2,747,748.75 and 988,888.18
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Solution
The fourth proportional to 1,831,328.50, 2,747,748.75 and 988,888.18 is: 1,483,740.50
Step by Step Solution
- Step 1: Write the proportion equation
1,831,328.50 : 2,747,748.75 = 988,888.18 : x - Step 2: Convert to fraction form
1,831,328.50/2,747,748.75 = 988,888.18/x - Step 3: Cross multiply
1,831,328.50x = 2,747,748.75 × 988,888.18 - Step 4: Simplify right side
1,831,328.50x = 2,717,216,260,484.78 - Step 5: Solve for x
x = 2,717,216,260,484.78/1,831,328.50 - Step 6: Final answer
x = 1,483,740.50
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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.