Finding the Fourth Proportional to 1,523,207.42, 2,101,990.47 and 844,129.34
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Solution
The fourth proportional to 1,523,207.42, 2,101,990.47 and 844,129.34 is: 1,164,878.67
Step by Step Solution
- Step 1: Write the proportion equation
1,523,207.42 : 2,101,990.47 = 844,129.34 : x - Step 2: Convert to fraction form
1,523,207.42/2,101,990.47 = 844,129.34/x - Step 3: Cross multiply
1,523,207.42x = 2,101,990.47 × 844,129.34 - Step 4: Simplify right side
1,523,207.42x = 1,774,351,828,127.39 - Step 5: Solve for x
x = 1,774,351,828,127.39/1,523,207.42 - Step 6: Final answer
x = 1,164,878.67
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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.