Finding the Fourth Proportional to 1,879,588.72, 2,593,834.91 and 1,020,149.08
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Solution
The fourth proportional to 1,879,588.72, 2,593,834.91 and 1,020,149.08 is: 1,407,807.07
Step by Step Solution
- Step 1: Write the proportion equation
1,879,588.72 : 2,593,834.91 = 1,020,149.08 : x - Step 2: Convert to fraction form
1,879,588.72/2,593,834.91 = 1,020,149.08/x - Step 3: Cross multiply
1,879,588.72x = 2,593,834.91 × 1,020,149.08 - Step 4: Simplify right side
1,879,588.72x = 2,646,098,297,108.38 - Step 5: Solve for x
x = 2,646,098,297,108.38/1,879,588.72 - Step 6: Final answer
x = 1,407,807.07
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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.