Finding the Fourth Proportional to 6,899,197.68, 9,451,934.64 and 6,640,616.40
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Solution
The fourth proportional to 6,899,197.68, 9,451,934.64 and 6,640,616.40 is: 9,097,677.02
Step by Step Solution
- Step 1: Write the proportion equation
6,899,197.68 : 9,451,934.64 = 6,640,616.40 : x - Step 2: Convert to fraction form
6,899,197.68/9,451,934.64 = 6,640,616.40/x - Step 3: Cross multiply
6,899,197.68x = 9,451,934.64 × 6,640,616.40 - Step 4: Simplify right side
6,899,197.68x = 62,766,672,182,112.10 - Step 5: Solve for x
x = 62,766,672,182,112.10/6,899,197.68 - Step 6: Final answer
x = 9,097,677.02
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1.5x scale
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.