Finding the Fourth Proportional to 4,838,497.35, 7,257,736.99 and 1,429,178.02
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Solution
The fourth proportional to 4,838,497.35, 7,257,736.99 and 1,429,178.02 is: 2,143,764.36
Step by Step Solution
- Step 1: Write the proportion equation
4,838,497.35 : 7,257,736.99 = 1,429,178.02 : x - Step 2: Convert to fraction form
4,838,497.35/7,257,736.99 = 1,429,178.02/x - Step 3: Cross multiply
4,838,497.35x = 7,257,736.99 × 1,429,178.02 - Step 4: Simplify right side
4,838,497.35x = 10,372,598,164,691.09 - Step 5: Solve for x
x = 10,372,598,164,691.09/4,838,497.35 - Step 6: Final answer
x = 2,143,764.36
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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.