Finding the Fourth Proportional to 7,651,701.30, 10,559,220.21 and 4,214,262.18
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Solution
The fourth proportional to 7,651,701.30, 10,559,220.21 and 4,214,262.18 is: 5,815,611.54
Step by Step Solution
- Step 1: Write the proportion equation
7,651,701.30 : 10,559,220.21 = 4,214,262.18 : x - Step 2: Convert to fraction form
7,651,701.30/10,559,220.21 = 4,214,262.18/x - Step 3: Cross multiply
7,651,701.30x = 10,559,220.21 × 4,214,262.18 - Step 4: Simplify right side
7,651,701.30x = 44,499,322,381,294.66 - Step 5: Solve for x
x = 44,499,322,381,294.66/7,651,701.30 - Step 6: Final answer
x = 5,815,611.54
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1.5x scale
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.