Finding the Fourth Proportional to 5,702,990.04, 7,868,901.06 and 3,380,614.20
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Solution
The fourth proportional to 5,702,990.04, 7,868,901.06 and 3,380,614.20 is: 4,664,521.33
Step by Step Solution
- Step 1: Write the proportion equation
5,702,990.04 : 7,868,901.06 = 3,380,614.20 : x - Step 2: Convert to fraction form
5,702,990.04/7,868,901.06 = 3,380,614.20/x - Step 3: Cross multiply
5,702,990.04x = 7,868,901.06 × 3,380,614.20 - Step 4: Simplify right side
5,702,990.04x = 26,601,718,661,831.05 - Step 5: Solve for x
x = 26,601,718,661,831.05/5,702,990.04 - Step 6: Final answer
x = 4,664,521.33
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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.