Finding the Fourth Proportional to 6,453,191.57, 9,679,721.29 and 1,660,862.21
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Solution
The fourth proportional to 6,453,191.57, 9,679,721.29 and 1,660,862.21 is: 2,491,276.31
Step by Step Solution
- Step 1: Write the proportion equation
6,453,191.57 : 9,679,721.29 = 1,660,862.21 : x - Step 2: Convert to fraction form
6,453,191.57/9,679,721.29 = 1,660,862.21/x - Step 3: Cross multiply
6,453,191.57x = 9,679,721.29 × 1,660,862.21 - Step 4: Simplify right side
6,453,191.57x = 16,076,683,241,342.69 - Step 5: Solve for x
x = 16,076,683,241,342.69/6,453,191.57 - Step 6: Final answer
x = 2,491,276.31
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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.