Finding the Fourth Proportional to 7,884,745.74, 11,828,577.42 and 2,494,753.02
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Solution
The fourth proportional to 7,884,745.74, 11,828,577.42 and 2,494,753.02 is: 3,742,591.10
Step by Step Solution
- Step 1: Write the proportion equation
7,884,745.74 : 11,828,577.42 = 2,494,753.02 : x - Step 2: Convert to fraction form
7,884,745.74/11,828,577.42 = 2,494,753.02/x - Step 3: Cross multiply
7,884,745.74x = 11,828,577.42 × 2,494,753.02 - Step 4: Simplify right side
7,884,745.74x = 29,509,379,240,848.81 - Step 5: Solve for x
x = 29,509,379,240,848.81/7,884,745.74 - Step 6: Final answer
x = 3,742,591.10
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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.