Finding the Fourth Proportional to 6,912,055.70, 10,368,083.55 and 2,422,711.70
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Solution
The fourth proportional to 6,912,055.70, 10,368,083.55 and 2,422,711.70 is: 3,634,067.55
Step by Step Solution
- Step 1: Write the proportion equation
6,912,055.70 : 10,368,083.55 = 2,422,711.70 : x - Step 2: Convert to fraction form
6,912,055.70/10,368,083.55 = 2,422,711.70/x - Step 3: Cross multiply
6,912,055.70x = 10,368,083.55 × 2,422,711.70 - Step 4: Simplify right side
6,912,055.70x = 25,118,877,323,162.54 - Step 5: Solve for x
x = 25,118,877,323,162.54/6,912,055.70 - Step 6: Final answer
x = 3,634,067.55
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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.