Finding the Fourth Proportional to 1,625,701.80, 2,243,372.50 and 890,509.86
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Solution
The fourth proportional to 1,625,701.80, 2,243,372.50 and 890,509.86 is: 1,228,851.03
Step by Step Solution
- Step 1: Write the proportion equation
1,625,701.80 : 2,243,372.50 = 890,509.86 : x - Step 2: Convert to fraction form
1,625,701.80/2,243,372.50 = 890,509.86/x - Step 3: Cross multiply
1,625,701.80x = 2,243,372.50 × 890,509.86 - Step 4: Simplify right side
1,625,701.80x = 1,997,745,330,902.85 - Step 5: Solve for x
x = 1,997,745,330,902.85/1,625,701.80 - Step 6: Final answer
x = 1,228,851.03
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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.