Finding the Fourth Proportional to 6,752,456.78, 10,128,711.14 and 1,634,878.14
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Solution
The fourth proportional to 6,752,456.78, 10,128,711.14 and 1,634,878.14 is: 2,452,323.50
Step by Step Solution
- Step 1: Write the proportion equation
6,752,456.78 : 10,128,711.14 = 1,634,878.14 : x - Step 2: Convert to fraction form
6,752,456.78/10,128,711.14 = 1,634,878.14/x - Step 3: Cross multiply
6,752,456.78x = 10,128,711.14 × 1,634,878.14 - Step 4: Simplify right side
6,752,456.78x = 16,559,208,420,986.09 - Step 5: Solve for x
x = 16,559,208,420,986.09/6,752,456.78 - Step 6: Final answer
x = 2,452,323.50
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1.5x scale
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.