Finding the Fourth Proportional to 1,518,863.74, 2,095,958.30 and 865,642.68
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Solution
The fourth proportional to 1,518,863.74, 2,095,958.30 and 865,642.68 is: 1,194,544.92
Step by Step Solution
- Step 1: Write the proportion equation
1,518,863.74 : 2,095,958.30 = 865,642.68 : x - Step 2: Convert to fraction form
1,518,863.74/2,095,958.30 = 865,642.68/x - Step 3: Cross multiply
1,518,863.74x = 2,095,958.30 × 865,642.68 - Step 4: Simplify right side
1,518,863.74x = 1,814,350,955,652.03 - Step 5: Solve for x
x = 1,814,350,955,652.03/1,518,863.74 - Step 6: Final answer
x = 1,194,544.92
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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.