Finding the Fourth Proportional to 2,619,962.79, 3,615,511.62 and 1,474,040.40
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Solution
The fourth proportional to 2,619,962.79, 3,615,511.62 and 1,474,040.40 is: 2,034,154.92
Step by Step Solution
- Step 1: Write the proportion equation
2,619,962.79 : 3,615,511.62 = 1,474,040.40 : x - Step 2: Convert to fraction form
2,619,962.79/3,615,511.62 = 1,474,040.40/x - Step 3: Cross multiply
2,619,962.79x = 3,615,511.62 × 1,474,040.40 - Step 4: Simplify right side
2,619,962.79x = 5,329,410,187,179.25 - Step 5: Solve for x
x = 5,329,410,187,179.25/2,619,962.79 - Step 6: Final answer
x = 2,034,154.92
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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.