Finding the Fourth Proportional to 1,452,116.70, 2,178,175.05 and 853,364.70
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Solution
The fourth proportional to 1,452,116.70, 2,178,175.05 and 853,364.70 is: 1,280,047.05
Step by Step Solution
- Step 1: Write the proportion equation
1,452,116.70 : 2,178,175.05 = 853,364.70 : x - Step 2: Convert to fraction form
1,452,116.70/2,178,175.05 = 853,364.70/x - Step 3: Cross multiply
1,452,116.70x = 2,178,175.05 × 853,364.70 - Step 4: Simplify right side
1,452,116.70x = 1,858,777,698,090.73 - Step 5: Solve for x
x = 1,858,777,698,090.73/1,452,116.70 - Step 6: Final answer
x = 1,280,047.05
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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.