Finding the Fourth Proportional to 5,641,058.75, 7,784,660.79 and 3,062,739.83
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Solution
The fourth proportional to 5,641,058.75, 7,784,660.79 and 3,062,739.83 is: 4,226,580.81
Step by Step Solution
- Step 1: Write the proportion equation
5,641,058.75 : 7,784,660.79 = 3,062,739.83 : x - Step 2: Convert to fraction form
5,641,058.75/7,784,660.79 = 3,062,739.83/x - Step 3: Cross multiply
5,641,058.75x = 7,784,660.79 × 3,062,739.83 - Step 4: Simplify right side
5,641,058.75x = 23,842,390,625,648.96 - Step 5: Solve for x
x = 23,842,390,625,648.96/5,641,058.75 - Step 6: Final answer
x = 4,226,580.81
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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.