Finding the Fourth Proportional to 1,905,401.42, 2,858,663.58 and 767,578.11
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Solution
The fourth proportional to 1,905,401.42, 2,858,663.58 and 767,578.11 is: 1,151,593.34
Step by Step Solution
- Step 1: Write the proportion equation
1,905,401.42 : 2,858,663.58 = 767,578.11 : x - Step 2: Convert to fraction form
1,905,401.42/2,858,663.58 = 767,578.11/x - Step 3: Cross multiply
1,905,401.42x = 2,858,663.58 × 767,578.11 - Step 4: Simplify right side
1,905,401.42x = 2,194,247,587,862.23 - Step 5: Solve for x
x = 2,194,247,587,862.23/1,905,401.42 - Step 6: Final answer
x = 1,151,593.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.