Finding the Fourth Proportional to 1,430,701.60, 2,149,551.60 and 1,076,407.60
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Solution
The fourth proportional to 1,430,701.60, 2,149,551.60 and 1,076,407.60 is: 1,617,244.07
Step by Step Solution
- Step 1: Write the proportion equation
1,430,701.60 : 2,149,551.60 = 1,076,407.60 : x - Step 2: Convert to fraction form
1,430,701.60/2,149,551.60 = 1,076,407.60/x - Step 3: Cross multiply
1,430,701.60x = 2,149,551.60 × 1,076,407.60 - Step 4: Simplify right side
1,430,701.60x = 2,313,793,678,832.16 - Step 5: Solve for x
x = 2,313,793,678,832.16/1,430,701.60 - Step 6: Final answer
x = 1,617,244.07
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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.