Finding the Fourth Proportional to 1,605,816.24, 2,409,129.32 and 1,133,424.24
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Solution
The fourth proportional to 1,605,816.24, 2,409,129.32 and 1,133,424.24 is: 1,700,422.19
Step by Step Solution
- Step 1: Write the proportion equation
1,605,816.24 : 2,409,129.32 = 1,133,424.24 : x - Step 2: Convert to fraction form
1,605,816.24/2,409,129.32 = 1,133,424.24/x - Step 3: Cross multiply
1,605,816.24x = 2,409,129.32 × 1,133,424.24 - Step 4: Simplify right side
1,605,816.24x = 2,730,565,568,582.72 - Step 5: Solve for x
x = 2,730,565,568,582.72/1,605,816.24 - Step 6: Final answer
x = 1,700,422.19
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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.