Finding the Fourth Proportional to 1,709,150.72, 2,563,722.80 and 644,431.68
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Solution
The fourth proportional to 1,709,150.72, 2,563,722.80 and 644,431.68 is: 966,646.28
Step by Step Solution
- Step 1: Write the proportion equation
1,709,150.72 : 2,563,722.80 = 644,431.68 : x - Step 2: Convert to fraction form
1,709,150.72/2,563,722.80 = 644,431.68/x - Step 3: Cross multiply
1,709,150.72x = 2,563,722.80 × 644,431.68 - Step 4: Simplify right side
1,709,150.72x = 1,652,144,191,058.30 - Step 5: Solve for x
x = 1,652,144,191,058.30/1,709,150.72 - Step 6: Final answer
x = 966,646.28
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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.