Finding the Fourth Proportional to 1,936,397.60, 2,672,263.02 and 1,076,958.26
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Solution
The fourth proportional to 1,936,397.60, 2,672,263.02 and 1,076,958.26 is: 1,486,221.49
Step by Step Solution
- Step 1: Write the proportion equation
1,936,397.60 : 2,672,263.02 = 1,076,958.26 : x - Step 2: Convert to fraction form
1,936,397.60/2,672,263.02 = 1,076,958.26/x - Step 3: Cross multiply
1,936,397.60x = 2,672,263.02 × 1,076,958.26 - Step 4: Simplify right side
1,936,397.60x = 2,877,915,732,281.55 - Step 5: Solve for x
x = 2,877,915,732,281.55/1,936,397.60 - Step 6: Final answer
x = 1,486,221.49
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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.