Finding the Fourth Proportional to 4,430,929.23, 6,646,394.79 and 1,398,601.35
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Solution
The fourth proportional to 4,430,929.23, 6,646,394.79 and 1,398,601.35 is: 2,097,902.32
Step by Step Solution
- Step 1: Write the proportion equation
4,430,929.23 : 6,646,394.79 = 1,398,601.35 : x - Step 2: Convert to fraction form
4,430,929.23/6,646,394.79 = 1,398,601.35/x - Step 3: Cross multiply
4,430,929.23x = 6,646,394.79 × 1,398,601.35 - Step 4: Simplify right side
4,430,929.23x = 9,295,656,725,926.97 - Step 5: Solve for x
x = 9,295,656,725,926.97/4,430,929.23 - Step 6: Final answer
x = 2,097,902.32
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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.