Finding the Fourth Proportional to 1,936,370.84, 2,672,226.11 and 1,076,931.47
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Solution
The fourth proportional to 1,936,370.84, 2,672,226.11 and 1,076,931.47 is: 1,486,184.53
Step by Step Solution
- Step 1: Write the proportion equation
1,936,370.84 : 2,672,226.11 = 1,076,931.47 : x - Step 2: Convert to fraction form
1,936,370.84/2,672,226.11 = 1,076,931.47/x - Step 3: Cross multiply
1,936,370.84x = 2,672,226.11 × 1,076,931.47 - Step 4: Simplify right side
1,936,370.84x = 2,877,804,392,814.68 - Step 5: Solve for x
x = 2,877,804,392,814.68/1,936,370.84 - Step 6: Final answer
x = 1,486,184.53
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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.