Finding the Fourth Proportional to 3,036,875.23, 4,190,723.35 and 1,678,660.75
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Solution
The fourth proportional to 3,036,875.23, 4,190,723.35 and 1,678,660.75 is: 2,316,460.92
Step by Step Solution
- Step 1: Write the proportion equation
3,036,875.23 : 4,190,723.35 = 1,678,660.75 : x - Step 2: Convert to fraction form
3,036,875.23/4,190,723.35 = 1,678,660.75/x - Step 3: Cross multiply
3,036,875.23x = 4,190,723.35 × 1,678,660.75 - Step 4: Simplify right side
3,036,875.23x = 7,034,802,801,753.51 - Step 5: Solve for x
x = 7,034,802,801,753.51/3,036,875.23 - Step 6: Final answer
x = 2,316,460.92
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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.