Finding the Fourth Proportional to 6,899,273.62, 9,452,039.12 and 6,640,692.46
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Solution
The fourth proportional to 6,899,273.62, 9,452,039.12 and 6,640,692.46 is: 9,097,781.65
Step by Step Solution
- Step 1: Write the proportion equation
6,899,273.62 : 9,452,039.12 = 6,640,692.46 : x - Step 2: Convert to fraction form
6,899,273.62/9,452,039.12 = 6,640,692.46/x - Step 3: Cross multiply
6,899,273.62x = 9,452,039.12 × 6,640,692.46 - Step 4: Simplify right side
6,899,273.62x = 62,768,084,915,809.03 - Step 5: Solve for x
x = 62,768,084,915,809.03/6,899,273.62 - Step 6: Final answer
x = 9,097,781.65
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.