Finding the Fourth Proportional to 3,031,776.45, 4,548,190.03 and 1,235,637.09
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Solution
The fourth proportional to 3,031,776.45, 4,548,190.03 and 1,235,637.09 is: 1,853,669.75
Step by Step Solution
- Step 1: Write the proportion equation
3,031,776.45 : 4,548,190.03 = 1,235,637.09 : x - Step 2: Convert to fraction form
3,031,776.45/4,548,190.03 = 1,235,637.09/x - Step 3: Cross multiply
3,031,776.45x = 4,548,190.03 × 1,235,637.09 - Step 4: Simplify right side
3,031,776.45x = 5,619,912,290,347.12 - Step 5: Solve for x
x = 5,619,912,290,347.12/3,031,776.45 - Step 6: Final answer
x = 1,853,669.75
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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.