Finding the Fourth Proportional to 1,908,975.75, 2,863,480.91 and 579,279.75
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Solution
The fourth proportional to 1,908,975.75, 2,863,480.91 and 579,279.75 is: 868,924.87
Step by Step Solution
- Step 1: Write the proportion equation
1,908,975.75 : 2,863,480.91 = 579,279.75 : x - Step 2: Convert to fraction form
1,908,975.75/2,863,480.91 = 579,279.75/x - Step 3: Cross multiply
1,908,975.75x = 2,863,480.91 × 579,279.75 - Step 4: Simplify right side
1,908,975.75x = 1,658,756,502,778.17 - Step 5: Solve for x
x = 1,658,756,502,778.17/1,908,975.75 - Step 6: Final answer
x = 868,924.87
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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.