Finding the Fourth Proportional to 7,639,253.16, 11,456,449.53 and 2,520,729.10
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Solution
The fourth proportional to 7,639,253.16, 11,456,449.53 and 2,520,729.10 is: 3,780,291.75
Step by Step Solution
- Step 1: Write the proportion equation
7,639,253.16 : 11,456,449.53 = 2,520,729.10 : x - Step 2: Convert to fraction form
7,639,253.16/11,456,449.53 = 2,520,729.10/x - Step 3: Cross multiply
7,639,253.16x = 11,456,449.53 × 2,520,729.10 - Step 4: Simplify right side
7,639,253.16x = 28,878,605,712,952.32 - Step 5: Solve for x
x = 28,878,605,712,952.32/7,639,253.16 - Step 6: Final answer
x = 3,780,291.75
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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.