Finding the Fourth Proportional to 1,620,562.55, 2,236,316.18 and 895,394.66
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Solution
The fourth proportional to 1,620,562.55, 2,236,316.18 and 895,394.66 is: 1,235,611.40
Step by Step Solution
- Step 1: Write the proportion equation
1,620,562.55 : 2,236,316.18 = 895,394.66 : x - Step 2: Convert to fraction form
1,620,562.55/2,236,316.18 = 895,394.66/x - Step 3: Cross multiply
1,620,562.55x = 2,236,316.18 × 895,394.66 - Step 4: Simplify right side
1,620,562.55x = 2,002,385,549,985.04 - Step 5: Solve for x
x = 2,002,385,549,985.04/1,620,562.55 - Step 6: Final answer
x = 1,235,611.40
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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.