Finding the Fourth Proportional to 3,617,345.68, 5,427,084.28 and 1,457,259.14
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Solution
The fourth proportional to 3,617,345.68, 5,427,084.28 and 1,457,259.14 is: 2,186,318.05
Step by Step Solution
- Step 1: Write the proportion equation
3,617,345.68 : 5,427,084.28 = 1,457,259.14 : x - Step 2: Convert to fraction form
3,617,345.68/5,427,084.28 = 1,457,259.14/x - Step 3: Cross multiply
3,617,345.68x = 5,427,084.28 × 1,457,259.14 - Step 4: Simplify right side
3,617,345.68x = 7,908,668,170,580.32 - Step 5: Solve for x
x = 7,908,668,170,580.32/3,617,345.68 - Step 6: Final answer
x = 2,186,318.05
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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.