Finding the Fourth Proportional to 3,646,775.68, 5,470,233.99 and 1,122,428.50
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Solution
The fourth proportional to 3,646,775.68, 5,470,233.99 and 1,122,428.50 is: 1,683,664.44
Step by Step Solution
- Step 1: Write the proportion equation
3,646,775.68 : 5,470,233.99 = 1,122,428.50 : x - Step 2: Convert to fraction form
3,646,775.68/5,470,233.99 = 1,122,428.50/x - Step 3: Cross multiply
3,646,775.68x = 5,470,233.99 × 1,122,428.50 - Step 4: Simplify right side
3,646,775.68x = 6,139,946,532,044.72 - Step 5: Solve for x
x = 6,139,946,532,044.72/3,646,775.68 - Step 6: Final answer
x = 1,683,664.44
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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.