Finding the Fourth Proportional to 1,445,365.10, 2,167,172.84 and 646,497.74
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Solution
The fourth proportional to 1,445,365.10, 2,167,172.84 and 646,497.74 is: 969,355.32
Step by Step Solution
- Step 1: Write the proportion equation
1,445,365.10 : 2,167,172.84 = 646,497.74 : x - Step 2: Convert to fraction form
1,445,365.10/2,167,172.84 = 646,497.74/x - Step 3: Cross multiply
1,445,365.10x = 2,167,172.84 × 646,497.74 - Step 4: Simplify right side
1,445,365.10x = 1,401,072,343,249.38 - Step 5: Solve for x
x = 1,401,072,343,249.38/1,445,365.10 - Step 6: Final answer
x = 969,355.32
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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.