Finding the Fourth Proportional to 1,523,206.42, 2,101,989.09 and 844,128.34
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Solution
The fourth proportional to 1,523,206.42, 2,101,989.09 and 844,128.34 is: 1,164,877.29
Step by Step Solution
- Step 1: Write the proportion equation
1,523,206.42 : 2,101,989.09 = 844,128.34 : x - Step 2: Convert to fraction form
1,523,206.42/2,101,989.09 = 844,128.34/x - Step 3: Cross multiply
1,523,206.42x = 2,101,989.09 × 844,128.34 - Step 4: Simplify right side
1,523,206.42x = 1,774,348,561,239.81 - Step 5: Solve for x
x = 1,774,348,561,239.81/1,523,206.42 - Step 6: Final answer
x = 1,164,877.29
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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.