Finding the Fourth Proportional to 5,251,617.12, 7,878,754.08 and 1,465,097.16
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Solution
The fourth proportional to 5,251,617.12, 7,878,754.08 and 1,465,097.16 is: 2,198,016.34
Step by Step Solution
- Step 1: Write the proportion equation
5,251,617.12 : 7,878,754.08 = 1,465,097.16 : x - Step 2: Convert to fraction form
5,251,617.12/7,878,754.08 = 1,465,097.16/x - Step 3: Cross multiply
5,251,617.12x = 7,878,754.08 × 1,465,097.16 - Step 4: Simplify right side
5,251,617.12x = 11,543,140,226,946.41 - Step 5: Solve for x
x = 11,543,140,226,946.41/5,251,617.12 - Step 6: Final answer
x = 2,198,016.34
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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.