Finding the Fourth Proportional to 5,700,905.51, 7,867,351.83 and 3,122,420.19
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Solution
The fourth proportional to 5,700,905.51, 7,867,351.83 and 3,122,420.19 is: 4,308,995.86
Step by Step Solution
- Step 1: Write the proportion equation
5,700,905.51 : 7,867,351.83 = 3,122,420.19 : x - Step 2: Convert to fraction form
5,700,905.51/7,867,351.83 = 3,122,420.19/x - Step 3: Cross multiply
5,700,905.51x = 7,867,351.83 × 3,122,420.19 - Step 4: Simplify right side
5,700,905.51x = 24,565,178,195,825.45 - Step 5: Solve for x
x = 24,565,178,195,825.45/5,700,905.51 - Step 6: Final answer
x = 4,308,995.86
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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.