Finding the Fourth Proportional to 1,619,000.70, 2,426,427.45 and 1,243,160.70
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Solution
The fourth proportional to 1,619,000.70, 2,426,427.45 and 1,243,160.70 is: 1,863,148.82
Step by Step Solution
- Step 1: Write the proportion equation
1,619,000.70 : 2,426,427.45 = 1,243,160.70 : x - Step 2: Convert to fraction form
1,619,000.70/2,426,427.45 = 1,243,160.70/x - Step 3: Cross multiply
1,619,000.70x = 2,426,427.45 × 1,243,160.70 - Step 4: Simplify right side
1,619,000.70x = 3,016,439,247,241.22 - Step 5: Solve for x
x = 3,016,439,247,241.22/1,619,000.70 - Step 6: Final answer
x = 1,863,148.82
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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.