Finding the Fourth Proportional to 2,621,655.36, 3,928,477.05 and 1,765,561.50
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Solution
The fourth proportional to 2,621,655.36, 3,928,477.05 and 1,765,561.50 is: 2,645,644.40
Step by Step Solution
- Step 1: Write the proportion equation
2,621,655.36 : 3,928,477.05 = 1,765,561.50 : x - Step 2: Convert to fraction form
2,621,655.36/3,928,477.05 = 1,765,561.50/x - Step 3: Cross multiply
2,621,655.36x = 3,928,477.05 × 1,765,561.50 - Step 4: Simplify right side
2,621,655.36x = 6,935,967,833,113.57 - Step 5: Solve for x
x = 6,935,967,833,113.57/2,621,655.36 - Step 6: Final answer
x = 2,645,644.40
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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.