Finding the Fourth Proportional to 1,465,009.29, 2,021,879.75 and 892,384.65
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Solution
The fourth proportional to 1,465,009.29, 2,021,879.75 and 892,384.65 is: 1,231,592.50
Step by Step Solution
- Step 1: Write the proportion equation
1,465,009.29 : 2,021,879.75 = 892,384.65 : x - Step 2: Convert to fraction form
1,465,009.29/2,021,879.75 = 892,384.65/x - Step 3: Cross multiply
1,465,009.29x = 2,021,879.75 × 892,384.65 - Step 4: Simplify right side
1,465,009.29x = 1,804,294,448,583.91 - Step 5: Solve for x
x = 1,804,294,448,583.91/1,465,009.29 - Step 6: Final answer
x = 1,231,592.50
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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.