Finding the Fourth Proportional to 1,936,393.64, 2,672,257.54 and 1,076,954.28
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Solution
The fourth proportional to 1,936,393.64, 2,672,257.54 and 1,076,954.28 is: 1,486,215.99
Step by Step Solution
- Step 1: Write the proportion equation
1,936,393.64 : 2,672,257.54 = 1,076,954.28 : x - Step 2: Convert to fraction form
1,936,393.64/2,672,257.54 = 1,076,954.28/x - Step 3: Cross multiply
1,936,393.64x = 2,672,257.54 × 1,076,954.28 - Step 4: Simplify right side
1,936,393.64x = 2,877,899,194,965.27 - Step 5: Solve for x
x = 2,877,899,194,965.27/1,936,393.64 - Step 6: Final answer
x = 1,486,215.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.