Finding the Fourth Proportional to 1,589,515.09, 2,193,588.51 and 910,582.81
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Solution
The fourth proportional to 1,589,515.09, 2,193,588.51 and 910,582.81 is: 1,256,637.32
Step by Step Solution
- Step 1: Write the proportion equation
1,589,515.09 : 2,193,588.51 = 910,582.81 : x - Step 2: Convert to fraction form
1,589,515.09/2,193,588.51 = 910,582.81/x - Step 3: Cross multiply
1,589,515.09x = 2,193,588.51 × 910,582.81 - Step 4: Simplify right side
1,589,515.09x = 1,997,443,989,419.51 - Step 5: Solve for x
x = 1,997,443,989,419.51/1,589,515.09 - Step 6: Final answer
x = 1,256,637.32
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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.