Finding the Fourth Proportional to 1,689,213.68, 2,330,466.24 and 964,101.68
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Solution
The fourth proportional to 1,689,213.68, 2,330,466.24 and 964,101.68 is: 1,330,090.11
Step by Step Solution
- Step 1: Write the proportion equation
1,689,213.68 : 2,330,466.24 = 964,101.68 : x - Step 2: Convert to fraction form
1,689,213.68/2,330,466.24 = 964,101.68/x - Step 3: Cross multiply
1,689,213.68x = 2,330,466.24 × 964,101.68 - Step 4: Simplify right side
1,689,213.68x = 2,246,806,417,167.28 - Step 5: Solve for x
x = 2,246,806,417,167.28/1,689,213.68 - Step 6: Final answer
x = 1,330,090.11
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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.