Finding the Fourth Proportional to 5,079,029.08, 7,009,146.12 and 2,787,403
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Solution
The fourth proportional to 5,079,029.08, 7,009,146.12 and 2,787,403 is: 3,846,663.33
Step by Step Solution
- Step 1: Write the proportion equation
5,079,029.08 : 7,009,146.12 = 2,787,403 : x - Step 2: Convert to fraction form
5,079,029.08/7,009,146.12 = 2,787,403/x - Step 3: Cross multiply
5,079,029.08x = 7,009,146.12 × 2,787,403 - Step 4: Simplify right side
5,079,029.08x = 19,537,314,922,326.36 - Step 5: Solve for x
x = 19,537,314,922,326.36/5,079,029.08 - Step 6: Final answer
x = 3,846,663.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.