Finding the Fourth Proportional to 3,543,320.58, 4,889,781.09 and 1,933,688.58
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Solution
The fourth proportional to 3,543,320.58, 4,889,781.09 and 1,933,688.58 is: 2,668,489.52
Step by Step Solution
- Step 1: Write the proportion equation
3,543,320.58 : 4,889,781.09 = 1,933,688.58 : x - Step 2: Convert to fraction form
3,543,320.58/4,889,781.09 = 1,933,688.58/x - Step 3: Cross multiply
3,543,320.58x = 4,889,781.09 × 1,933,688.58 - Step 4: Simplify right side
3,543,320.58x = 9,455,313,827,984.05 - Step 5: Solve for x
x = 9,455,313,827,984.05/3,543,320.58 - Step 6: Final answer
x = 2,668,489.52
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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.