Finding the Fourth Proportional to 1,513,215.09, 2,269,588.66 and 553,446.26
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Solution
The fourth proportional to 1,513,215.09, 2,269,588.66 and 553,446.26 is: 830,083.81
Step by Step Solution
- Step 1: Write the proportion equation
1,513,215.09 : 2,269,588.66 = 553,446.26 : x - Step 2: Convert to fraction form
1,513,215.09/2,269,588.66 = 553,446.26/x - Step 3: Cross multiply
1,513,215.09x = 2,269,588.66 × 553,446.26 - Step 4: Simplify right side
1,513,215.09x = 1,256,095,342,883.85 - Step 5: Solve for x
x = 1,256,095,342,883.85/1,513,215.09 - Step 6: Final answer
x = 830,083.81
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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.