Finding the Fourth Proportional to 1,464,469.74, 2,020,727.66 and 920,220.21
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Solution
The fourth proportional to 1,464,469.74, 2,020,727.66 and 920,220.21 is: 1,269,752.71
Step by Step Solution
- Step 1: Write the proportion equation
1,464,469.74 : 2,020,727.66 = 920,220.21 : x - Step 2: Convert to fraction form
1,464,469.74/2,020,727.66 = 920,220.21/x - Step 3: Cross multiply
1,464,469.74x = 2,020,727.66 × 920,220.21 - Step 4: Simplify right side
1,464,469.74x = 1,859,514,427,036.91 - Step 5: Solve for x
x = 1,859,514,427,036.91/1,464,469.74 - Step 6: Final answer
x = 1,269,752.71
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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.