Finding the Fourth Proportional to 4,834,777.99, 7,251,378.56 and 1,422,266.40
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Solution
The fourth proportional to 4,834,777.99, 7,251,378.56 and 1,422,266.40 is: 2,133,167.66
Step by Step Solution
- Step 1: Write the proportion equation
4,834,777.99 : 7,251,378.56 = 1,422,266.40 : x - Step 2: Convert to fraction form
4,834,777.99/7,251,378.56 = 1,422,266.40/x - Step 3: Cross multiply
4,834,777.99x = 7,251,378.56 × 1,422,266.40 - Step 4: Simplify right side
4,834,777.99x = 10,313,392,076,012.72 - Step 5: Solve for x
x = 10,313,392,076,012.72/4,834,777.99 - Step 6: Final answer
x = 2,133,167.66
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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.