Finding the Fourth Proportional to 1,579,180.19, 2,368,239.87 and 513,971.74
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Solution
The fourth proportional to 1,579,180.19, 2,368,239.87 and 513,971.74 is: 770,784.98
Step by Step Solution
- Step 1: Write the proportion equation
1,579,180.19 : 2,368,239.87 = 513,971.74 : x - Step 2: Convert to fraction form
1,579,180.19/2,368,239.87 = 513,971.74/x - Step 3: Cross multiply
1,579,180.19x = 2,368,239.87 × 513,971.74 - Step 4: Simplify right side
1,579,180.19x = 1,217,208,366,721.27 - Step 5: Solve for x
x = 1,217,208,366,721.27/1,579,180.19 - Step 6: Final answer
x = 770,784.98
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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.